These markets often have strong population and job growth and strong rental demand.But the reality is that even in more affordable markets like Columbus, you'll need about $50k-60k household income just to qualify for a conventional investment property loan (this assumes good credit and reasonable debt).

This approach mitigates risk while leveraging your resources effectively.Looks like your household could qualify as REPS and really offset your taxes if your portfolio is optimized.

Lastly, while birth rates are declining the # of pet households is increasing.   

Here are the common exceptions:Relocation for Work: If your job requires you to move a significant distance from your current property (usually over 50 miles), you may qualify for a second FHA loan near your new workplace.Increase in Family Size: If your household has grown, and your current property no longer meets your family’s needs, you may qualify for a second FHA loan to purchase a larger home.Co-Borrower Separation: If you co-signed on an FHA loan and are no longer living in the property (e.g., after a divorce or separation), you may qualify for a second FHA loan for your primary residence.Non-Occupying Co-Borrower: If you were a co-signer but did not occupy the original property, you may qualify for another FHA loan as the primary borrower.Important Note: FHA guidelines typically require you to demonstrate that the current property will not meet your needs or is no longer feasible as your primary residence.2.

I've developed, use with all my coliving properties, and teach HPM (household-led property management). 

I don't have anyone else in my household other than us so no idea, but I've never been asked the question either.

US population growth slows and fewer new households form, which is probably not great for RE investors; and 2. the Social Security trust fund runs out.  

Certainly not trying to leave my job today, but someday.Current: I am sole income of our house hold.

Does anyone have some really good websites for accurate up to date data for vacancy rates, median rents, average household income, etc? 

Along the same lines, the buyer who can barely qualify for the entry level SFH is acutely aware of their cash shortage and therefore are going to be less accepting of household features near the end of their useful life, even if still functional and have a stronger desire for anything that is listed as a deficiency on the inspection report to be corrected.