nickel-and-dime

 
North American informal

verb

[with object]
  • harass (someone) by charging for many trivial items or services: we don’t nickel-and-dime our customers like some vendors that charge extra for every little utility

adjective

[attributive]
  • of little importance: the only games this weekend are nickel-and-dime stuff

Origin:

1930s: originally denoting a shop selling articles costing five or ten cents