Garret Schuelke's speaker is a worker who is tired, underpaid, and trapped. He stands still all day until his body aches, and he doesn't pretend to like the work. Yet he can't walk away, because losing the job would mean losing his apartment, his heat, and his food.
The poem's refrain, "I don't make much money from this job," comes back at the end of each stanza, almost like a weary shrug. That repetition makes the problem feel unending, as if the speaker keeps circling the same worry. There's also a defensive edge. He expects someone to respond with a snarky comment or act like a jerk, so he seems braced for judgment as well as hardship.
The mood is plain, worn-down, and anxious. The simple rhymes and blunt wording suit a speaker who has no energy for fancy language. He just states how things are, and the result feels honest and a little bitter.