Am very sorry. This is a bad situation no matter what you do. There is an expression “Fool me once, shame on you; fool me twice, shame on me.” It means that if someone has taken advantage of you before don’t trust them because they will do it again. I understand that you want to believe and trust Mom. But once she burns you by not paying back money she has agreed to in a timely fashion - You don’t give her the opportunity to burn you again. If you can afford it and want to support your mom financially then that’s one thing, but don’t count on her ever paying you back once she does this. You can choose your friends and significant others - You don’t get to choose your parents or (usually) your children. When parents prove untrustworthy you are in a difficult state. But one thing I can tell you is that people tend to repeat their patterns. If they lie and cheat you once on something important, then never trust them again under similar circumstances.

Eh I wouldn't sweat it, 2k is like 1 piece of furniture. Seems silly to have your family get so worked up over basically her owing you a couch. Seems like everyone involved in this story needs to take a second and figure out how to make at least like a basic level income.

If you have proof of her owing you money sue her and don’t let up until you get the money regardless of what your family says

always remember. Never loan money to anyone unless you assume you won't get it back. either give it as a gift or not at all because 99.9% of the time you won't get it back.

This is really unclear. If 2000$ is an amount that is so important, how did you get to such a debt? Was it money she had to give at once? In a few times? If you didn't trust her why didn't you ask for part of the money before hand?

It may be time to consider removing your mother, perhaps temporarily, perhaps permanently, from your life and your energy pool. She is an adult, and your are not responsible for her. I hope things look up for you soon.