If you control how they perform tasks, set their hours, or provide tools, they should likely be a W-2 employee, requiring you to withhold taxes and comply with payroll regulations.

Quote from @Tod DuBois: Looks like everyone is using some software tools for various tasks, I'd not heard of most of them.

I’ve worked with a few tools for property intel, and while no service is 100% accurate, some options have stood out for specific use cases:BatchLeads: They offer a solid skip-tracing tool with good accuracy and detailed reports.

I had never used a power tool prior.

Hard money beginning a great tool simply depends on the property you are flipping and the lender you use.

Buyers and sellers should consider some amount of closing money be held in escrow after closing to cover potential problems with the non-responding tenants.Does anybody have any experiences to share with successful use of a Tenant Estoppel Letter, or times they wish they'd know about this tool before entering a Purchase and Sale Agreement?

Be sure to check out the free tools BP provides to help analyze deals you may have and also market insights.

Has anyone used the DIY tool, and are there risks?

The precise property forecast can vary depending on a lot of factors but the general demand is really what you should use the tool for to make your plans. 

They make a trim removal tool that is a like saverDoors can be weird and no house is square and plumb