Everyone is talking about warming the account but no one has told me how to warm it.As far as I know, pinterest allows up to 3 (or 5, can't remember) accounts on one computer. But it all depends on your behavior, if you aggressively post new pins on all accounts, pinterest may ban you as a spammer
1 pin a day first week.
10 pins 2 week...
or 2 of my pins then 10 repins from other pinners on Pinterest.
What pinning strategy should i use to warm up my accounts?