What we can do?
SPREAD this SCAMMER attitude on the internet to broke they reputation and broke they business.

This crook is the reason AppSumo has to have skin in the game.
This vendor sold something that was unlimited on the highest plan offered and made it 5X less than the cheapest level offered and we have no recourse.
I never used yet and I'm just back to do do something with it months later and it was completely unusable due to the the low limit on characters.

It's hardly okey if they limit the credits to keep run the business but make the UNUSED credits ROLL OVER to next months so if you not an heavy user you can collect reliable credits.