On prolific do you have to cash out what you can transfer?

I've earned $50 I'm able to transfer I'm wanting to let it add up.. am I able to do this or do I have to transfer what I've already earned?

submitted by /u/rottysgirl05
[link] [comments]

source https://www.reddit.com/r/beermoney/comments/12r4vrw/on_prolific_do_you_have_to_cash_out_what_you_can/