What should I do, resign?

At the beginning of the yr I started working admin at a small business. They weren’t able to pay me since October. The 1st check I was expecting to get a few days late now I’m going on check 3 I don't know where time went. I continued working giving them the benefit of the doubt.
I started to raise an eyebrow a few months ago when they weren’t able to pay the bills.
today I was told I’m next to be paid.

What should I do, resign?
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