报酬

This profession doesn't pay very well.

hefty/substantial reward; high remuneration

just reward

recompense for one's labours

payment for one's service

handsome/reasonable/slender recompense

be poorly/highly/moderately paid

increase payment/reward (for sth)

claim remuneration; ask for reward

reap/receive one's reward

pay a reward

receive remuneration; reap the reward

accept no remuneration

be not concerned about pay; be irrespective of remuneration; do not care about pay