There's a few things you guys don't get
1. ER was not rich, his dad was broke because of his failed documentary, and his mom could have been rich if she married one of the rich guys she knew but she refused to
2. ER's parents were not the type of parents to let their son be a NEET sitting all day in his room, he stated that his mom always wanted him out of her house and that was the main reason why she sent him off to college in another city, he didn't have the option of being a NEET and even if he did he wouldn't want to, he was too prideful for that.
3. He knew he could get escorts but he refused to because why would he pay for something that other men can get for free? besides he wanted affection and validation from foids, not just sex.