It will cost less than $150,000 and will need moderate renovation work.

Anything you do remote will come at a cost of operational inefficiencies and a higher cost of doing business.

No free weeks, no reduced deposit, etc.

This would likely take coordination with a tenant at some point - (ie - plenty of notice to them that they must vacate in order for you to sell the property)Since your current home is free and clear -  you could do a cash out refi or take out a new mortgage on the new house to be able to buy your paren't house and pay off the mortgage.  

Feel free to keep us updated on your findings here.

Which size of home is typically perform best on a cost benefit analysis?

Works best if you trust the flipper.Wrap + Second Position Combo: This is a cool little move—you work out a wrap-around mortgage with the seller, then assign that contract to your borrower, and still lend in a second position for repairs or closing costs.

Also these things cost money to sell - agent fees (5-6%), whatever your buyer is going to ask for at closing or try to hit you at during inspections (likely several thousand) plus taxes.

Because real estate always goes up and the maintenance fairy takes care of all repairs free of charge.Seems like a recipe for disaster. 

Free healthcare free cell phones free housing.