pay bear (a cost or penalty), in recompense for some action; "You'll pay for this!"; "She had to pay the penalty for speaking out rashly"; "You'll pay for this opinion later"
economise,
economize,
save make unnecessary an expenditure or effort; "This will save money"; "I'll save you the trouble"; "This will save you a lot of time"
lay out provide a detailed plan or design; "She laid out her plans for the new house"
slum spend time at a lower socio-economic level than one's own, motivated by curiosity or desire for adventure; usage considered condescending and insensitive; "attending a motion picture show by the upper class was considered sluming in the early 20th century"