AITA for wanting my mom to only babysit my kids and not my brother’s?

When OP’s father passed away, she (37) welcomed her mother (60) to live with her family, renovating their home to give her a private suite and covering her bills. In return, her mother watches OP’s kids (11 and 8) for a few hours after school each day. It’s been a win-win—until OP’s brother and sister-in-law (SIL) demanded that their mother also babysit their young kids (2 and 4), even sneaking them into OP’s house all day without asking.

When OP said no, her SIL unleashed a barrage of nasty messages, accusing her of favoritism and exploiting their mother. OP fired back, pointing out that her SIL, a stay-at-home mom, should care for her own kids. Is OP being too harsh, or is she right to protect her home? This story is bound to stir up opinions.

‘AITA for wanting my mom to only babysit my kids and not my brother’s?’

After her father’s death, OP welcomed her mother to live with her family and arranged childcare:

So I (37F) am married and have two kids (11 and 8). My husband and I both work full time corporate jobs so we don’t get home until 5-6pm every...

Almost a year ago, my father unfortunately passed leaving my mother (60F) alone, so between her, my husband and I, we all thought it’d be best for my mother to...

OP’s mother replaced the nanny, watching her kids under a clear agreement:

It basically became the arrangement that my husband and I renovated our home to create an in law suite for my mom to live in full time and we help...

It’s been great having her around, but the issue is that my brother (32M) and his wife (SIL) think it’s unfair and showing “favorites” if my mom only babysits my...

Last week, SIL literally just dropped off her kids (2 and 4) at my house as soon as my husband I left for work and I only found out through...

OP refused for several reasons, including the behavior of her SIL’s kids and inconvenience:

My husband and I don’t want my brother’s kids at our house because

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1) they’re very young and our house is not babyproofed and has many fragile items I know they will try to get into

2) the 4yo is extremely spoiled and his parents never say no or give him consequences so he goes to anyone’s house and has bad behavior

3) my mom only watches my kids for about three hours everyday, but my SIL is dropping off her kids ALL day at MY house even when my kids aren’t...

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OP’s mother isn’t comfortable watching four kids, but SIL lashed out when told no:

I talked to my mom and she said she doesn’t know if she’s comfortable with watching 4 kids at once but she’ll try if needed and it’s ultimately up to...

So I told my brother and SIL no and SIL has been sending me the rudest messages about how I’m turning my kids spoiled and letting them have their grandmother’s...

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Also that I could afford a nanny but I’m choosing to “use” my mother when she and my brother can’t afford other childcare. I just reminded her that she’s a...

OP clarified her stance, emphasizing SIL’s misuse of her home and mother:

Adding for clarification from some comments I’ve gotten: I have absolutely no issues if my mom wants to go over to my brother’s/SIL house to watch their kids! But my...

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She’s basically trying to use my mom and my house as a daycare. Also I take deep issue with her just dropping of her kids at my house without notifying...

OP’s decision to prevent her sister-in-law (SIL) from using her mother and home as a free daycare is entirely reasonable. The arrangement with her mother—providing a renovated living space and covering bills in exchange for part-time childcare for OP’s older children—is fair and mutually agreed upon. SIL’s unannounced drop-offs, without consulting OP or her mother, are disrespectful and place an unfair burden on OP’s mother, who has expressed discomfort with watching four children at once, especially toddlers requiring more supervision.

From SIL’s perspective, she might feel overwhelmed as a stay-at-home mom and see OP’s mother as a convenient resource. However, as psychologist Harriet Lerner notes, “Unclear communication in families can lead to unrealistic expectations” (The Dance of Connection, 2001). SIL’s failure to discuss her needs respectfully and her aggressive response to OP’s refusal reveal a lack of maturity. She’s entitled to seek support, but not by imposing on OP’s home or mother without consent.

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The online community overwhelmingly supports OP, condemning SIL’s entitlement and highlighting that her role as a stay-at-home mom doesn’t absolve her of childcare responsibilities. Some suggest OP could be open to alternative arrangements, like her mother visiting SIL’s home, but SIL’s sneaky behavior and lack of communication make OP’s firm stance understandable. If SIL persists, it risks long-term strain on family ties, particularly with OP’s brother, who seems complicit.

OP should arrange a calm discussion with her brother, sidestepping direct confrontation with SIL, to clarify that their mother can visit their home to see their kids, but OP’s house isn’t a daycare. OP should encourage her mother to voice her discomfort directly, ensuring she isn’t pressured. If tensions escalate, a family mediation session with a neutral third party could help. Above all, OP must protect her home’s peace and her mother’s well-being, while striving to maintain a civil relationship with her brother if possible.

Take a look at the comments from fellow users:

Most users backed OP, criticizing SIL’s entitlement and misuse of OP’s home:

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Reddit User - NTA. Your mom isn’t doing this for free, you’re essentially paying her bills and giving her a place to live, in exchange, she is watching your children....

Technical_Rooster_39 - NTA. It's not "favoritism. " She isn't living with bro and SIL and they aren't paying her bills. Apparently she wants to be a trophy wife not a...

We have some of those in my town. No job outside the home, plus they have a nanny and a maid, send the laundry out, and get the groceries (mainly...

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Adventurous_Ad_7679 - NTA…watching an 11 and 8 year old for 4 hours is way different then a 2 and 4 year old all day. Especially when their mom is not...

IamIrene - NTA. The jealousy displayed by your brother and SIL is wholly inappropriate. And them just dropping their kids off at YOUR HOUSE without asking is even worse. On...

Your brother and his wife are TAs here. This is a "them" problem, not a "you" problem. I just reminded her that she’s a SAHM and it’s her JOB to...

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Reddit User - NTA, if you were telling Grandma she couldn't have guests over then maybe because now she lives there too, but it doesn't sound like that's the case...

You're not playing favorites with Grandma, you're literally giving her a place to live. They could have stepped up and renovated their house if they wanted Grandma to live in...

Excellent-Task5734 - this is essentially if she had a full-time job & stayed at home everyday while her co-worker did both their & her work. I had a seizure typing...

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but essentially EXACTLY that. AND STILL GETTING PAID. PLEASE. good on you for blocking her, such a satisfying ending to the story. NTA

patronofthewicked - NTA, like I'm assuming you would be fine with Mom going over and watching their kids for a date night or something after you and your husband are...

HauntingAccomplice - NTA Sounds like your mom isn't exactly comfortable watching them all. If brother and SIL wanted her help they should have opened their door. You aren't using her,...

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Few_Throat4510 - NTA - also kudos to you for speaking up for your mom. It sounds like she doesn’t want to babysit your brother’s kids, but also doesn’t want to...

Critical-Ingenuity95 - I think the real question is if your mom feels like she’s being taken advantage of. Your mom and you (and your husband) came an agreement that you’d...

and in exchange she’s watch your kids for an accumulative of 20 hours a week. And realistically the work your asking your mom to do for your kids (11 and...

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Taking the pure emotional aspect of it being your mother out of the equation, and presuming it’s just a tenant or even a nanny, who ever is living there is...

She probably loves being in a full house and hanging out with her grandkids, and seeing you. To the day she died, my grandmother tried to do anything to help...

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I think a lot of people are missing the point. OP is not taking advantage of her mother, but SIL is. Grandma isn’t a prisoner. Assuming she has a car...

But at OP house, there is no way grandma would say no to a random drop of, but again that’s not the point. The point is that SIL did a...

And it wasn’t like it was a one time thing, if OP hadn’t said anything its 110% likely SIL would’ve done it all the time, even everyday. OP nipped the...

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but they got caught and the answer was no. If they wanted free childcare why didn’t they offer for grandma to move into their house? There are hundreds of work...

If OP wanted to try she could have a sit down with her brother and try and get tot the root of the problem. Even if the root is SIL...

Reddit User - NTA, this isn't "showing favorites" you're literraly making a massive investment and having her essentially live with you. If she's happy with the arrangement, great. SIL needs...

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This doesn't sound like "once in a while she needs a hand" (which would be perfectly reasonable and understandable to expect from family) ​ You're 100% right that SIL's job...

MerryMoose923 - NTA. Yes, it's your mother's home as well as yours, and she should feel free to have guests. But this isn't really having guests. Your brother and SIL...

How often is this happening? Every day? I can understand if your SIL has appointments or errands that would be difficult to manage with two small kids in tow, but...

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The arrangement you and your husband made with your mother involves compensation for her watching your two children after school only. You aren't "using" your mother. Also, watching an 8...

Your mother isn't sure she feels comfortable watching 4 kids at once. That's a big concern. It's also something she needs to address with your brother and SIL. Your mother...

Is there some other reason your brother and SIL think this arrangement is "unfair? " Does your mother make time to visit them in their own house? One last question...

If not, you certainly have a say in what areas of the house the little ones have access to. After all, if the house isn't baby-proofed, it's not safe for...

Apprehensive-hippos - Well, if I wasn't in your corner before (I was), finding out in your next-to-last sentence that your SIL is, by agreement between her and your brother, the...

So you modified your home to give her a comfortable personal space, pay her bills, and privide her with adult/family companionship after her spouse died. In return, she watches your...

Meaning she bonds with them, makes sure they don't burn the house down, and reminds them to do whatever activities you and your husband have in place (start homework, do...

Do I have that right? Meanwhile, your SAHM SIL is attempting to drop her toddlers off daily, for the entire day, at your home for your mom to watch. None...

Your brother and SIL don't seem to have any consideration for your mom and her needs. ..or for your home. Your brother, at least, should be embarrassed that he and...

SatelliteBeach123 - NTA. Shut this down. They are taking complete advantage of your mother and YOUR house. You renovated your house to accommodate your mother and there is an exchange...

You provide housing and pay the bills and she watches your kids for a limited time. What is your brother contributing? They are being total AHs. Lock them out of...

Some users asked for clarification to better understand the situation:

celticmusebooks - INFO Did your mom know SIL was dropping the kids off in advance? Was this a one off or does SIL plan on doing this on a regular...

OP’s story is a classic tale of family boundaries and mutual respect—or the lack thereof. Her SIL’s sneaky drop-offs and demands for free childcare from OP’s mother are out of line, especially since the mother isn’t comfortable with it. OP’s firm stance protects her home and her mother, but the rift with her brother could widen without careful handling.

Is OP too strict in shutting down her SIL, or is she justified in drawing a line? How would you navigate this family drama? Share your thoughts below to keep the conversation going!

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