AITA for yelling at my sister for eating my 45$ cough drops?

A young entrepreneur who resells designer items on eBay scored a surprising win when a box of Supreme cough drops sold for $45, netting a solid profit. Excitement quickly turned to frustration, however, when the item vanished from the closet where all resale stock is stored. After a thorough search, the mangled empty box turned up in the sister’s room.

What escalated the conflict was the sister’s casual admission that she ate them simply because she liked the taste, unaware of their resale value or brand significance. The poster exploded in anger, yelling about boundaries and the need to fulfill the buyer’s order. The fallout was immediate—the sister packed up and returned to college early, cutting off contact for weeks.

‘AITA for yelling at my sister for eating my 45$ cough drops?’

An unexpected eBay auction success brought excitement until the item mysteriously disappeared from storage.

This happened around a month ago and I still feel terrible. My sister went back to her college and hasn’t talked to me since. : I buy and sell designer...

Somehow an auction I was running for supreme cough drops had reached 45$ by the time it ended. I was pretty happy about this since I made around 35$ in...

I went to my closet where I keep all my stuff but after digging around I couldn’t find the cough drops. I basically searched my room up and down but...

A casual discovery in the sister’s room revealed the shocking truth behind the missing product.

it wasn’t until I was walking past my sisters room I saw the mangled box on her dresser. When she came home I confronted her about this and she said...

I yelled at her a lot after that about how she should get her own stuff and how someone expects me to deliver this to them.

I guess she got shooken up about this because the next day her car was gone and she had gone back to college (this was during Christmas break). I feel...

Later updates showed efforts to repair the sibling relationship and handle the business fallout.

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Edit 1: holy s__t this blew up. I want to thank everyone who gave me advice because tomorrow I’m going to drive out to her college. I’ll keep you guys...

but not without laying down some ground rules.turns out, to her perspective, I was being mean to her over some normal cough drops, she must’ve not known their worth or...

I’m not going to make her pay to replace them because I believe that it was an honest mistake. Edit 3: I contacted the buyer and explained the situation. They...

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Sibling conflicts over personal property often stem from differing understandings of boundaries, especially when one person runs a side business from home. Here, the sister’s actions crossed a clear line by entering a private storage space and consuming an item meant for resale, effectively costing real money. Her casual excuse highlights a lack of awareness about the poster’s entrepreneurial efforts, which can breed resentment over time.

What adds complexity is the emotional escalation—yelling in the heat of the moment versus the sister’s dramatic departure. While the anger was justified given the financial impact and breach of trust, the intensity likely amplified hurt feelings on both sides. Many families struggle with these dynamics during holiday breaks when routines disrupt and old habits resurface.

On a wider level, this incident reflects how limited-edition hype products blur lines between everyday items and collectibles. Brands like Supreme capitalize on scarcity to drive resale value, turning ordinary goods into profitable assets. The resolution—apology, ground rules, and accepting the mistake as honest—shows maturity, reminding us that preserving family ties often outweighs small monetary losses, even if the initial reaction felt entirely warranted.

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Check out how the community responded:

Most users sided firmly with the poster, calling out the sister for taking and eating valuable resale stock.

Politeandcivil − NTA. She stole your stuff for no reason. She sounds selfish.

kerrinor − NTA. She shouldn't be using things that aren't hers without permission. She stole them from you, she should know better. I would ask her for the $45 back.

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CosmosFactor − NTA. But. .. 45$ cough drops? Those better solve my god damn allergy symptoms as well. Or taste really good.

[Reddit User] − NTA. She essentially stole $45.

TheRealness408 − NTA - Your sister is an a__hole for stealing your stuff, but Supreme is the biggest a__hole for making $45 g__damn cough drops. F__k that. Use Ricola.

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A couple of commenters offered nuance, weighing the reaction against the context of family sharing habits.

ScalpelUser − ESH/NTA If this is a persistent problem with her, her going into your stuff and taking things, then NTA. You hit a breaking point and what she did...

ESH if this was a one off.  I can understand the stress of wanting to provide for a buyer, ratings on Ebay are important.

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Yet, if you two often share items she might not have realized. It is still a d__k move to outright open a box of food in someone else's room and...

Like, huge d__k move. Especially if she knows about your business and especially if the box had 'Supreme' plastered on it because everyone knows that's a name brand.

Still, if this was a one off you shouldn't have yelled that way but she also shouldn't have run off like a child. What she did was wrong and while...

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Try not to let it stew though, call or text her, see if she'll recoup the loss and explain that because of your business she can't just grab things from...

_Scallywag − NTA. For those who don't understand what's happening. ..imagine if Gucci made cough drops just to cause some disruption or as a marketing event.

Then you get your hands on a box and try to re-sell them and make a profit (because that's the line of business you're in),

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but your brother/sister comes home from college over the holidays, goes through your closet, finds them, and, starts eating your Gucci cough drops. They are an a__hole.

Others injected humor and explanations to highlight the absurdity of the coveted item.

Ella-April − I mean, she deliberately took it from your CLOSET. Why was she rummaging through there anyway? Also she left because of this? I guess you weren't a strict...

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Rogues_Gambit − Esh one of you needs to be the bigger person and apologize Also. ....45$ for cough drops? ??? Why, what, how

chipface − NTA. She shouldn't go through your s__t.

Ultimately, the poster lost a profitable sale when the sister unknowingly ate limited-edition Supreme cough drops mistaking them for ordinary ones. The heated confrontation led to temporary estrangement, but a drive to apologize and set boundaries helped mend things, treating the incident as a genuine misunderstanding rather than malice.

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Have you ever flipped hype items or dealt with family members dipping into your personal or business stash? Was the yelling justified over $35 profit, or should calmer communication have come first? How would you react if someone close ate your valuable collectible—drop your stories below!

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