If it is a card, then most of them have limits. I have "per card" limits on ALL my accounts, although the actual amounts vary widely.
Casino Rewards limit me to £1300 per card per day, and only half this amount in any single transaction.
Jackpot Factory seems to stop accepting card deposits around the £5000 mark (not tested this THAT frequently though
).
When I registered my card at Red Flush, I noticed my limit was over £9K, and this was per TRANSACTION
(I think my CARD would block that!).
With Neteller though, I have not come across any limits. Jackpot Factory used to run scoreboard promotions where you got 1 point for depositing £50 and playing it through once. NO further points were awarded for playing it through MORE than once. Whilst JF persisted in this foolishness, I won around half of these
Strategy was simple. Shovel in 10K, 20K even, from Neteller, 1x playthrough and withdraw, and flush. repeat every couple of days
The DID learn in the end (after I relented, and pointed out to their VIP manager how it was done), and now these events are based on WAGERING, rather than how much you can "churn" through the casino during the week. Needless to say, I no longer win anywhere NEAR half of them.