ACR No Rathole Bankroll Management

Anyone have any opinions on bankroll management for these no rathole cash games on ACR?

For those who don't know, you buy in to these games for 10 buy ins, and if you play at the table again within seven days, you have to buy in for whatever you left with last time. After seven days the buy in reverts back to 10 BBs.

Do you need more than the standard 20-50 buy ins for these? opinions?