prudent
canny
economic
frugally
prudence
frugalism
thrifty
economize
frugalness
sparesome
scrimp
thriftily
frugality
superfrugal
thriftiness
economy
frugalize
saving
wouldn't shout if a shark bit him
pismirism
spare
frugivory
penny wise and pound foolish
hain
economically
overthriftiness
narrow-gutted
profusion
sumptuosity
parsimonious
unthrifty
frivolousness
infrugal
economicalness
frivolosity
sustainingly
tighten one's belt
providence
wastefulness
misspending
neve
spendthriftism
prodigalism
frivolity
spendthriftness
frivolousity
gainworthy
defray
nickel-and-dime
penny-pinch