Quote from @Greg Scott: Toledo has been losing population steadily since 1970, so it will be much harder to find a "good" area to invest. 

Dayton OH has been steadily growing.

How is Real Estate in a bubble when the cost of all the items to construct that residence has risen by MORE then what Real Estate housing prices have?

So watch out for more inventory steadily rolling out onto the market, especially the markets you are most familiar with and from which you can draw conclusions for yourself.

Over US history many types of businesses have risen and fallen so this isnt crazy talk. 

They have been climbing steadily since 2011, and are scheduled to continue to increase through 2018.

You will burn through the extra $10k in a month or two, but the house is going to appreciate and the tenants are going to steadily pay down your loans.

Euclid has its good and bad pockets, but overall it's prices have risen 16% in the last 12 months so cash flow and appreciation are working in that neighborhood.

It has been performing very smoothly, zero unexpected expenses + having the rent steadily in my account every month.

I have a Cleveland Single Family home that is almost identical to a property in Akron, and my property in Akron has appreciated steadily over 3% in the time I have had it, the house in Cleveland holds maybe a $10k increase in value in the same amount of time.