Nope. If you can't afford to pay for the conference, your paper does not get published at all (of the two papers I got accepted, I paid for one and that appeare

Nope. If you can't afford to pay for the conference, your paper does not get published at all (of the two papers I got accepted, I paid for one and that appeared, while the one I did not pay for did not appear). And once you pay, then actually attending the conference is optional.