λυσιτελής

Etymology
From, from + , from. A contraction of the phrase  («λύειν τέλη», "pay one's dues"), hence, I become advantageous.

Adjective

 * 1) paying for expenses incurred, useful, profitable, advantageous, profitable in point of money
 * 2) cheap
 * 3)  profitable, advantageous
 * 4)  cheaply