I expended all my energies eking out a bare living.
Advanced English Dictionary
+verb [VN] ~ sth (in / on sb) ~ sth (in / on / doing sth) (formal) to use or spend a lot of time, money, energy, etc: She expended all her efforts on the care of home and children. + Smith had expended large sums in pursuing his claim through the court. + Most animals expend a lot of energy searching for food.
Random quote: Do not give your attention to what others do or fail to do; give it to what you do or fail to do.: Dhammapada