Solved
My husband worked a side hustle for a friend--4-hours a day, and a friend paid him the money after the job was completed.
No, you don't need to file a 1099-Misc. The person who paid your husband likely should have filed a form 1099-NEC (non- employee compensation) and provided a copy of that form to your husband to use to complete his/your tax return. Your husband performed a service, was paid for that service, but was not an employee; so that income is considered self-employed income. You will enter that income in the federal "Wages & Income" section using the "Self-employment" topic.
There you will have the opportunity to also enter/deduct any expenses he may have had in earning that income.
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