Yep. You can kiss ass and kow tow and pretend to be someone that you're not. You can sit through the meetings and go out in service to please your mom and remain safely under her roof. You can live a lie for room and board and maybe a hot meal once or twice a day. OR you can stand up and be a man. If she kicks your ass out of her house, so be it. I've been on this board long enough, and I've read enough, to realize that "fading" is, in most instances, the pussy way out.
So, the only way to be a "man" is to do what Sith tells you to do. However, Sith will not be there for you while you are "living with the consequences", but you will have the warm fuzzy feeling of not labeling yourself a "pussy" for not doing exactly what Sith tells you to do.
I don't know about anybody else, but in my opinion, the fading calls for a lot of strength and it's a lot tougher than letting go and moving on. I've been fading for a long time and let me tell you, people will say to leave right away, don't fade, fading is harder. And I didn't believe them, but I now I know they were right. It is harder. It takes a lot of mental strength to do it and lots of patience. It isn't for pussies. I don't know what makes people say things like this except they must still feel a lot of rage over how they are treated by their families, and they resent others who don't have the same problems.
If you can, and if it works with planning what you want to do with your life (like college), save some money and leave the situation as soon as possible. Don't waste any opportunities screwing around in the mean time, even if that's what other people your age are doing. Remember whatever you decide, you are going to be ok. Whether you leave tomorrow and find it tough to get by for a while or whether you stay for awhile, you are going to be ok. Either decision is going to be tough to carry out. She's forcing you into a corner with this type of financial abuse, and you've got difficult times ahead either way.
Also, you only mentioned your mom. Does your dad figure into this in any way that could be useful?