I'm looking to buy a 3D Printer at $500 or under, what are your suggestions?

[curious aardvark]

couple of things.
1) abs is not particularly useful. As an injection moulded plastic it's amazing. as a 3d printed plastic, it's pretty poor. Pla is better in most cases and well printed pet-g in all others.

2) a really good cooling fan, would make printing abs a lot worse :-) But is better for pla :-)
The box type printers don't really get up to enough speed to need a really powerful cooling fan - so stock is generally absolutely fine.

It's an older model, have a look at the monoprice voxel instead. Slightly smaller build volume, but newer screen, electronice, removeable build platforn etc. https://www.amazon.com/Monoprice-133...gateway&sr=8-3

The other thing you should look at is the qidi tech x-smart. Very similiar to the voxel, but larger print volume and - in all honesty - a much better manufacturer for support and build quality: https://www.amazon.com/TECHNOLOGY-Pr...gateway&sr=8-7

qidi are one of two chinese companies (flashforge being the other) who have always put the emphasis on quality components and superior customer support and build quality.

For figurines a second extruder for soluble support is also a good idea, so have a look at the qidi dual extruder as well. Yes it's a more oney, but worth the extra and you won't regret it.
https://www.amazon.com/TECHNOLOGY-3D...gateway&sr=8-8

Both qidi's are fully enclosed, which means they will easily print abs - even though there really isn't any point :-)
But they will also print nylon, polycarbonate and more of the more problematical filaments.

If I were you I'd throw a few more bucks into the ring and go for the qidi x-pro: https://www.amazon.com/QIDI-TECHNOLO...gateway&sr=8-4

Probably the best dual extruder around that isn't an IDEX (independant dual extruder) setup.

[Yidimu3D]

We print moon lamps by FDM 3D printers in PLA filaments for quite a long time.
You could take more materials to test printing and join a team with makers nearby.