Does "雑用" really describe ”俺” here in this context? Read it on this novel. < > "" I'm pretty sure it doesn't mean "I'm something like a chore/miscellaneous expenses." Does this just mean "I'm on/spending miscellaneous expenses​."?

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In this context, {} would be synonymous to {}.

> "Even so, I'll be more like a handy-andy."

To be completely honest, I have no idea how you get "expenses".