I have pro version. I want to be able to offer people upgrades from say LEVEL1 to LEVEL2 without charging them. So they visit a pro form, upgrade to level2, and that's it.
can that be done?
also, thing is if the upgrade to level 2 without paying, if they cancel their level1 subscription, does that cancel their level two as well? so say their subscription lapses at level one, does that kill their level two access as well?