I've had Ally online accts for years inc when it was GMAC and owned by the U.S. Treasury for a while. Their online system is the best of the many I have utilized over the years. I assume that FDIC makes my money safe. Liquidity by transfer to outside accts is always fast and unincumbered unless I have bought CDs; I have a lot of trouble cashing those in, so I stick to the online savings and money market accounts. Have had nightmare interaction with their so-called customer service reps who seem to be a boiler room in Pakistan maybe next door to Osama's old compound...I never phone them any more but have not had to for years so...touch wood for luck!
The level of expertise to use online banking is very low. The online banking is very easy to use and manage.