Another word would be economic.
Thrifty
Low-cost.
least expensivemost economical
"economical" has no comparative or superlative form. You would say "more economical" or "most economical."
I wish you weren't so economical with the truth.
economical stingy
uneconomical, profligate
Some synonyms for the adjective 'economical' include: avaricious, canny, chary, circumspect, close, closefisted, efficient, frugal, prudent, and meager.
In the sense of "careful with money," that might be "economical."
Economical
thrifty, conservative, cheap, price-sensitive, economical
They have a fair economical condition, or they have a hard economical condition. It's missing an adjective for the noun 'economical.' When "economical" is used as a preposition it is correct to say : They have an economical condition, with the meaning of profitable.