Ultimately, it depends on your goals and the opportunities available for investing your wealth. 

Whether you classify it as business or personal income depends on the nature of the lending activity.

Best to involve attorneys/lawyers as well, but it depends on the type of financing you get.  

SO depending on your situation that might be the case as well!

Depending on your financial status and the health of the LLC and investment it holds they may require a personal guarantee, which would also be you signing as your legal name.

It depends on the guy you get, but typically not a big deal.

My initial instinct is to wait for the results of these two efforts, as your asset protection efforts seem to depend on them.

In our experience you can get away with every 2-4 weeks depending on the weather and tenants. - Often, you can pay a tenant to do the cleaning.

It is be difficult to answer in details on a post but I will give you some general info here as a guide:- The legal limit will depend on your location, layout of your house, and parking availability.

FULL STOP  Your ability to make such a profit will depend on your ability to manage the asset better than the prior owner.As a seller, the broker should be helping you determine the price point, at that time, that attracts enough buyers to achieve an optimal sales price.