nickel- (or nickeled-)and-dimed

adjective

1. costing or spending little; cheap
2. of little value or importance; minor; petty

transitive verb nickel- (or nickeled-)and-dimed, nickel- (or nickeling-)and-diming

1. to spend very little on
2. to weaken, erode, destroy, etc. as by the repeated expenditure of small sums or repeated niggling actions

intransitive verb