My VO offer is one gig per 25 words. It is very clear on my gigs what the deal is.
However, far too many people send many more words than they pay me to read, and then we end up in a drawn out discussion about extra payments.
So, it would be REALLY great if Fiverr had a word counter, so that (in my case) once a person enters the 26th word, the amount due increases by one gig (you can count words by the number of spaces used between words). And when they enter their 51st word, a third gig is automatically added…
It would save an awful lot of wasted time…