What guarantees can be required for a remote device?

Question

Distant work

I worked in the office, and recently, due to the coronavirus, I switched to remote work, more time appeared and I would like to find a second remote job.
Please advise what kind of guarantees to require for timely payment when applying for a remote job?

Answer 1

Enough employment contract.

Answer 2

50% prepaid small tasks.
This is the only option.
(also discussed in the cooperation agreement)