Hi Marie, I would suggest that, at the very least, to protect yourself you use some form of agreement between you and the client. If it's not an actual contract, then a letter of agreement should be minimum - in any case you should have something that details your working arrangements, understandings, rates, policies, late fees, etc. signed (digitally or otherwise) by both you and the client so that if ever there is a sticking point you can direct the client back to it.

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