Separate checking accounts, but with the same bank. So easily transferred between. We have a bills checking and an envelope checking. We don’t use the envelope checking much anymore because we get paid weekly now, but we used it a lot when we got paid every other week, as we’d transfer two weeks of envelope money into their, and pull half each week. Open up a checking account just for rent, and put the $200 in there each paycheck. And then have the rent pulled from that account.