. >> reporter: 32-year-old surgical resident travis sheba hasn't walked into a bank in years. >> everything is on-line, money transfers, everything. >> reporter: more young adults are finding less use for them. lil -- millennial experts say many don't have a checking and savings account. >> between the student loan and the great recession in the price of their parents' house and its value, they have come to be extraordinarily distrustful of america's banks. >> reporter: hidden fees from the big banks are pushing technology dependent and affirm which gives out debit cards and small loans. mobile payment services allow peer to peer transactions and processes hundreds of millions of dollars a year. >> they don't see the purpose banks when everything can be done on right. >> reporter: bank rate said mill millennials don't even have a credit card. >> you have to think about trying to maximize your limited financial power so that you are not putting yourself in a hole for the future. >> reporter: analysts say the big banks need to pay attention. a recent survey by viacom they would rather go to t

. >> reporter: 32-year-old surgical resident travis sheba hasn't walked into a bank in years. >> everything is online. pay my bills online. money transfers. everything. >> reporter: more young adults like sheba are finding less use for them. millennial expert says 30% of millennials don't have a checking or savings account. >> between their student loans and the great recession and the crash of the price of their parents' house and its value, they have come to be extraordinarily distrustful of america's banks. >> reporter: hidden fees from the big banks are pushing technology-dependent millennials to do their banking with online startups like chime and affirm which give out debit cards and small loans. mobile payment service allow peer-to-peer transactions and process hundreds of millions of dollars a year. >> they just don't see any purpose to all the costs associated with banks when so much can be done online. >> reporter: bankrate.com sticks 63% of millennials aged 18 to 29 don't even have a credit card, they estimate. >> you have to think about trying to maximize your limited financial