two income streams for one sfh.

In general, you'll get a better result from a tenant that earns their living. 

Because if you pay rent to yourself as an expense of the LLC then you have rental income on you personally.

I was by default going to set up a Florida based LLC with my partner.This is a buy and hold, rental income property.How would you go about setting up an entity out of state?  

My wife and both make a high income for our area and I feel we could save about $100K per year to keep buying. 

It comes down to how one country will tax the income and then how the home country deals with it.

the good ones are worth the commission they earn (which is currently paid by the seller). 

Because non-passive losses can offset non-passive income/ active income.

I am trying  to purchase a multifamily house , outside of the city where i live it wis about 150  miles from my location ,  how do i figure out the demographics of the area and also the medium income around the area where i am planning to purchase . do i need to look for any big stores/shopping malls or any govt offices around the area to see if the place would be ideal for purchasing the property for renting it .

Paying the Buyer Agent out of pocket: If I'm trying to establish a new team in a new area and I want to earn the trust of a rockstar agent, I'll pay him or her out of pocket.