What is the maximum dollar limit?

Excuse me, could you please clarify what you mean by "the maximum dollar limit"? Are you referring to the maximum amount of dollars one can invest in a particular cryptocurrency or financial product? Or perhaps you're asking about the daily, weekly, or monthly withdrawal limits for a cryptocurrency exchange or bank account? Without more context, it's difficult to give a precise answer. Could you please elaborate on the specific scenario or product you're referring to?