nickel-and-dime
/ˌnɪkələnˈdaɪm/
adjective
always used before a noun
US informal
involving, making, or spending a small amount of money
not very important
verb
nickels-and-dimes or nickel-and-dimes; nickeled-and-dimed or nickel-and-dimed; nickeling-and-diming or nickel-and-diming
[+ obj] US informal + disapproving :to make (someone) pay many small amounts of money over a long period of time