But doesn't that depend on how many users you add? Would you rather pay $10 for up to 10k users, regardless if you have that many or a few cents as you work you

But doesn't that depend on how many users you add? Would you rather pay $10 for up to 10k users, regardless if you have that many or a few cents as you work your way there? I like the pay as you go pricing model over flat rate. Reminds me of amazon.