Here is my data:
Date Description Amount Balance
07/02 Online pmt CC -1512.23 28.91
06/28 WM purchase -168.10 1541.14
06/28 WM Reload 4x100 1709.24
06/27 WM Reload 100 1309.24
06/24 WM purchase -2.21 1209.24
06/24 WM Reload 2x500 1211.45
06/10 Online pmt CC -1088.55 211.45
06/07 WM Reload 2x500 1300
06/03 Online pmt CC -2500 300
05/29 WM Reload 5x500 2800
05/19 Fund Trsf 300 300

My account is still open. And as you can see, carrying a balance is not an issue (as of now). Also, I offered to pay 2 or 3 dollars per month for the service, but I have not been charged anything yet.