A 1099 worker is often more cost-effective than a W-2 employee, requiring no additional training and ready to perform tasks immediately, but they have the flexibility to select the work they accept, which may result in occasional unavailability for the tasks you require.
Clearly communicate your requirements to the contractor, request their best estimate, ensuring they understand the extent of the work, and provide a detailed timeframe for the repair, noting that most general contractors typically won't provide a quote for projects more than three months in advance.
The terms "Net 10," "Net 30," or "Net 60" as indicated on the invoice signify that the contractor's payment is due within 10, 30, or 60 days from the invoice date, respectively, with few associated risks, as it's a common payment term for independent contractors.
A Class "B" Contractor's License, the simplest type of contractor's license, permits individuals to engage in general contracting tasks.