The life of the professional writer - like that of any freelance, whether she be a plumber or a podiatrist - is predicated on willpower. Without it there simply wouldn't be any remuneration, period.
A good joke will sell quicker than a good poem, and, measured in sweat and blood, will bring better remuneration.
Something in your voice tells me we approach the question of remuneration.
There is a knowledge which is desirable, though nothing come of it, as being of itself a treasure, and a sufficient remuneration of years of labor.
Remuneration! O! That's the Latin word for three farthings