Am I wrong for not wanting my cousin to live with my husband and I anymore?

Hi so for context my cousin had a falling out with his mom and as he was 20 with only a part time job and no savings, my husband and I decided to let him move in with us as we had just bought a large house in preparation for us hopefully having 3 kids in the future. We are going through infertility struggles so it’s taking a long time to get there.

We took him in under the assumption that it was temporary as he wanted to go away to school. We said we could keep the majority of his things at our house while he went to school so he wouldn’t have to pay for a storage unit.

His mom was very grateful we took him in so he didn’t end up living out of his car (which he stated he would do).

It has been two years now and he shows no interest in going away to college anymore and is taking online classes at community college. However, he continually misses assignments and blames it on the teachers even after they give him extensions.

He is also working but never wakes up on time and gets mad at my husband (who works from home) or me (who does not work from home) for not waking him up for work. He used to work with me, and would take advantage of the fact I was his boss (one of our mutual friends was his other boss) so he would oversleep and come in late or not at all leaving us to cover for him (it’s a job with kids so absences are hard to fill in on short notice) and then complain if we got upset with him being late when he comes in with a bag of take out food saying “what was I supposed to do I have to eat!” Luckily he left my work so I’m not his manager anymore.

He leaves a mess wherever he goes.

His room and bathroom (the bathroom that is on the main floor of the house) are a mess even though when he moved in we asked that he keep these spaces tidy especially the bathroom since it’s the one guests use when they come over. Our entire basement is filled with his stuff. We’ve asked him multiple times to organize it and he says he will but doesn’t. He has left giant piles of laundry in front of the washer and dryer for several weeks making it very inconvenient to do laundry. He will go out to get take out (and usually not ask if we want anything) and leave the bag full of garbage sitting on the table.

Due to all of these inconveniences my husband and I have decided to start charging him some rent ($100/month) to help with groceries/internet/utilities, basically whatever we need help paying that month since money is tight while we are pursuing IVF treatment.

He started complaining to a mutual friend that the 100 dollars he gives us is being used to buy food he doesn’t like? I’m the one who grocery shops and makes all the food, and half the time he doesn’t eat with us he will sleep through dinner and then wake up around 2 am and eat all the leftovers and leave the dirty dishes on the counter.

He also stays up late playing video games and shouting at the game or he will go out late and bring home his sorta gf and it will wake up our dog which wakes up my husband and I.

He also started complaining about how his room is too small and he wants to switch to the guest bedroom with the attached half bath.

When we first bought the house my brother and his wife (who live in another state) stayed with us to help with the house renovations, they did the majority of work on that bedroom and it is their room when they come in for extended weekends for holidays and stuff. They knew the room would also be used for any friends/ family members that needed to crash for the night or if they were pet sitting and they were fine with it. When I told my cousin we wouldn’t be giving him the other room as we leave it for guests since it has the attached bathroom so it’s a bit more private, he complained to mutual friends that since he was paying rent he should have a bigger room.

It’s just all getting to be too much and I feel like a parent while I’m trying to get pregnant and it’s stressful. My husband is so irritated most days (not with me, our relationship has actually gotten stronger despite this situation and IVF) and I just feel guilty and defeated. Like I feel bad I want him to move out, like I tried to do something nice and now it feels like I’m taking it back but I really feel like we’re being taken advantage of. And I feel like my relationship with my cousin is getting strained which sucks cuz we used to be extremely close.

I’m so nervous to discuss moving out with him because he truly thinks he’s done nothing wrong in any of these situations and this will most likely come as a shock. My family is all on mine and my husbands side and have been encouraging us to tell him to move back in with his mom (they have since made up). But i don’t think she will want him to move back and I don’t want to cause issues between her and I either.

I just need some advice if anyone has been in this situation, please tell me how you handled it?