Why affiliate programs lock a payment info?
 

I'm so tired to change it in all my affiliate programs!!! :(

It's impossible to contact some affiliate programs and make them change my payment info. They ignore my messages. I will remove such affiliate programs as dead ones.

i have the same problem, maybe cause we are czech? :)

I think they ignore everyone.

We lock pay to info durning payouts so we don't have affilaites changing their payout info as we are sending out the payout info. Affilaites wait until the last minute to change their info which means programs have to wait until the last minute to process payouts, which means payouts are late. If pay out info isn't locked for a day during payouts things easily become late and screwed up.