Linked a few of my family members accounts to one account because they havent been using the account for a while and ebates have the nerve to make your balance negative. I usually get $10-20 per quarter with them but after combining the account they brought the account to a negative balance...
There are fine prints on the FAQ that say the account CANNOT go negative. Becareful of their deceptive ways to get their money back.
UPDATE: (from 1star -> 4star)
Was contacted and they fixed the negative balance. I guess it was not hard find because my account was probably the only negative balance for a "cashback" website!