One thing that for sure isn't worth it is sacrificing everything in order to get sex. I'm trying to come up with a list of requirements for sex. If any items on this list is not in good order, then the sex isn't worth it.
1. If you have to get sucked into a marriage in exchange for the sex, it ain't worth it.
2. If the sex leaves you on the hook for child support and/or alimony, it ain't worth it.
3. If it gives you an STD, it ain't worth it.
4. If it gives her access to your bank accounts, it's not worth it.
5. If she expects you to shove your dick in her when she's all bloody and gross on her period, it's not worth it. (Yes, I had a woman get all offended that I wouldn't fuck her while she was bleeding.)
6. If she doesn't respect your right to say no, it's not worth it. (Another experience of mine. She got all offended when I said no because I wasn't feeling well.) A woman shouldn't expect you to be a fucking machine that she can turn on and off like a light switch.
7. If while you're making an effort to please her, she makes no effort to please you, it's not worth it.
8. If you have to listen to feminist dogma of hate, it's not worth it.

In many cases, screwing a sex doll or bot or a hooker is a better choice than getting sex via a relationship. A $300 fee for an attractive sex worker who will get you off and not meddle in your life may be worth it, as long as she doesn't infect you with some STD.

This is my take on it anyway. If I've left anything out, please add to the list.