Think of a number - nope, not that one, that's your estimate of how long it will take. Think of another one, somewhere between your original number and double the one you just thought about. Does it feel too high? If not, go higher. Does it feel like you're making fun of the client? If not, that's your estimate.
For further actions, you may consider blocking this person and/or reporting abuse
We're a place where coders share, stay up-to-date and grow their careers.
As a wise man once said to me: