analytically
artfully
astutely
at a bargain
at a sacrifice
at budget prices
at cost
at cost price
at piggy-bank prices
at prime cost
at reduced rates
at small cost
at wholesale
cheap
cheaply
circumspectly
cleverly
considerately
cunningly
discerningly
discreetly
for a song
for pennies
in all conscience
in all reason
in reason
inexpensively
intelligently
judiciously
knowingly
logically
moderately
nominally
on the cheap
providently
prudently
rationally
sagaciously
sanely
sensibly
shrewdly
smartly
soundly
syllogistically
thoughtfully
tolerably
understandingly
wholesale
wisely
unreasonably
unseasonably