Where is the best place to apply for business line of credit say 30-70k. 

The house currently in question, the manager said he had an older couple apply, but they were on fixed income and wanted to sign a two or three year lease so they knew they wouldn't have to move or incur additional expenses.

Even if you’re focused on Houston, the same principles apply—finding areas with promising growth and strong rental demand.Strategic Growth:Since you’re considering building up to 10 properties in the next decade, you might want to look at markets that offer both affordability and growth potential.

My standing deal with my agent is that I will pay her a minimum of 2500 for any home she shows me that we end up closing on - that applies to on market or off market (most homes I buy are 75k-200K hence the low amount). 

Educate yourself and apply what you have learned.

The 181 day rule applies to tax benefits of a 2nd home. 

When you return an item, if it's on a credit card, you can just enter a credit card transaction for a refund and apply it to a COGS account. 

That kind of thing would only apply to capital elements of the house. 

Detroit has more to offer though:)Overall, your approach should be strategic and you should be targeting a specific Property Class (A, B, C, D).If you apply Class A assumptions to a Class B or C purchase, your expectations won’t be met and it may be a financial disaster.So, when investing in areas they don’t really know, investors should research the different property Class submarkets.

If you really want to go down that path, I suggest that you apply to work for a syndicator or RE Private Equity shop as an analyst or operator for a year or two, and browse through 100+ deals over that time period, underwriting each one, and trying to figure out, over that time, which ones you were "right" about, and which ones you were "wrong" about, as best you can.