I am hoping this will increase my holdings and reach my financial goals in a shorter time period than residential.

This dramatically increases the economic benefit for the investor. 

That's the SIMPLEST way to increase yield: Lower down payment.

Do they increase or decrease due to supply or what?

Newbie question: for a new investor thinking about his first buy, finding an interesting deal is difficult ... does it make sense to go to a wholesaler business like Sam’s?

Hey Ron I'm an investor in Nashville, and with the market booming the way it is with the population increasing one thing a lot of investors say is the demand is high and the supply is low making this a sellers market.

I personally was targeted by a tenant group that spammed my google reviews trying to avoid a small rent increase....those reviews are not as telling, but management never returns calls, property owners complaining of similar things are very telling.

What other options do I have besides a HELOC (which I am also considering, but holding off on because my mortgage payment is so low and I know with a HELOC it will increase).

It seems very difficult to me to flip from abroad.

@Caleb Heimsoth Right when we bought the condo the HOAs increased by 15%.