undersave
underspend
cut one's cloth to suit one's purse
underindulge
spot
underbuy
undercover
underseek
penny-pinch
nickel-and-dime
misbudget
outsave
watch the pennies
tighten one's belt
economise
hain
save
scrimple
economize
undermargin
undersaturate
underpush
dip into
underlive
underresource
lay by
underearn
lessen
scrape by
sock away
steal
spend money like water
underprovision
retrench
underinflate
underallocate
underburn
overborrow
cut one's coat according to one's cloth
undertax
undereat
underpay
play with house money
underhydrate
unspoil
run on fumes
drop dimes
splash out
bleed white
moderate