Was I in the wrong?

[lostinaworldofchildlikethings]

For context I’m currently living at home until my house is finished being renovated, I don’t pay board and lodge and borrow my parents car as I don’t have my own yet. I’d been for a look around a retail park then decided to walk to a nearby supermarket to pick up 4 things I needed for lunch and dinner. My parents had been out for the day and unbeknown to me had gone for groceries while they were there and doubled up on 3 of the items I bought. This then turned into an argument as they said I should have text or phoned them to say that I was going into the supermarket and asked if they wanted anything to save them going and that I was uncaring and unthoughtful and should apologise for the fact I didn’t ask. They then threatened that I’d be buying all of my own food from now on and wouldn’t be able to use the car. From an outside perspective was I in the wrong?

Why don’t you pay board?

No they said I’m welcome to stay for as long as I need to.

My parents don’t want me to.

I ended up saying I was sorry if I came off uncaring and unthoughtful, that wasn’t my intention and I’d be more communicative and think ahead in future.

Well I don't see why you wouldn't buy your own food anyway? Ideally if you are sharing the food bill then when one person goes shopping they should ask the others what they'd like. But if things were equal it wouldn't be a big deal.

They are letting you live there for free and use the car so I can see they might be finding the arrangement is leaning somewhat in your favour. Hence the annoyance about the groceries.

When are you moving out? If it's not soon then maybe start chipping in for the bills and buying your own shopping.