They will issue an IRS Form 1099 in January, reporting your total taxable income to you and the IRS.

We try to get ahead of the issue by preventing it in the first place.

There are large areas in the direction of the flight paths that do not have dense populations so it’s mostly a non-issue.

If a guest refuses to leave, you will issue a formal notice to vacate and may need to pursue legal action if necessary.

Very state dependent on this issue.

If it's rehabbed nicely, then you will no issues finding a tenant.

Personally, I find BTRs to be more predictable with fewer ongoing maintenance issues, and they tend to attract high-quality tenants.

Quote from @Sherry McQuage: Make sure to check the zoning to make sure mobile homes are permitted there; check for any hazardous waste designation for the area; will you need to have the parcels surveyed out in order to sell the size you intend? 

With this in mind, if you intend to leverage short-term debt (hard money), it's even more vital that your underwriting is thorough and that you have the correct systems in place to tackle potential issues.

Hasn't been an issue for any property I've purchased."