As others said out of state can be more challenging based on location but local or out of state both can be done. 

Imaging $1 Uber rides, then tipping the driver based on the actual distance.

Many would be surprised to learn that about half of all states allow discrimination based on marital status, meaning a landlord can reject applicants that are not related and not legally married.As always, it's important to know the laws of your jurisdiction.

Can you deny someone's application based on this despite it being a medical marijuana card & not technically breaking the rules of smoking indoors?

We have made money buying properety based on cash flow (lower priced) rented out for a period, then selling to an owner occupant. 

Property values have been appreciating rapidly in recent years, and the city’s population has started growing again—a trend we haven’t seen in decades.I’m also based in California and have been investing in Detroit for several years, so I understand the concerns of out-of-state investing.

Do you provide move in and move out reports How many pictures do you take of the property prior to tenant moves in and after the tenant moves outDo you get weekly reports when the property is vacant what prospective tenants are saying about your homeDo you provide monthly newsletters to your tenantsDo you hold investor education classes to help me become a better investorDo you have single point portfolio based management services?

Also, the benefits of a cost segregation study can vary based on a multitude of factors.

I see the base interest rate for federal lending is 4.25%–4.50%.

My question is, If one is to be strictly commission based, Is finding a broker with mortgage industry similar to finding a broker with real estate?