I check my checking account every couple of days because I run a narrow margin on purpose. I always try to target having about $500 in the account after bills have been paid. If there is more, it goes into savings or Betterment.
I pay off credit cards about once a week.
I check Betterment every couple of days just to see how the market/dividends are doing. I don't watch the market like a hawk.
I log into Mint at the end of each month, make sure all my categories are correct for transactions, then I complete my FI spreadsheet. It's updated monthly.