However, if you're specifically set on one of those markets I'd recommend Kansas City - landlord friendly state, lower property taxes, increasing population and diverse economy, a good supply of potential rentals that product good cash flow with a decent chance of future appreciation.

How does it differ from wholesaling regular properties?

Cost of money from lenders that supply rehab loans.Thank you

Months Supply of Inventory was down 54.5 percent to 1.0 months, indicating that demand increased relative to supply.As temperatures drop, existing home sales continue to be plentiful, buoyed by strong demand, low interest rates, and a slight uptick in new listings in recent months, according to the National Association of REALTORS®.

I have met people who manage the work themselves but that might be really hard if you have a "regular" job that might interfere with such things. 

So, our regular plumber mentioned that the price of water heaters looks like it's going up significantly. 

For regular transactions you can use any title company you like.

We don't keep ours separate, and just use it like regular income.

I still want to house hack but I’m afraid that the supply is too low and I won’t find what I need.

I try to update them on a regular basis based on users' feedback.