Cheapest

adjective

1. Low and/or reduced in price.
2. Of poor quality.
3. Of little worth.
4. (of an action or tactic in a game of skill) Underhand or unfair.

   "the cheap trick of hiding deadly lava under pushable blocks"

5. Stingy; mean; excessively frugal.

   "Insurance is expensive, but don't be so cheap that you risk losing your home because of a fire."