I am interested in the topic when applied to smart contracts.

It's great to have you here.Here are some recommendations for you:Find and connect with other BP members that are in your area: http://www.biggerpockets.com/m...Set up keyword alerts to be notified of the topics that interest you: http://www.biggerpockets.com/a...Read Beginner’s Guide: http://www.biggerpockets.com/r...Check out BP Money Podcast: https://www.biggerpockets.com/..

I would get the story from him before making a decision.

If you’re on a tighter budget, corrugated steel is a good compromise, offering a solid roof at a more affordable price, but just be aware that it might require a bit more upkeep down the line.Best of luck with the roofing decision.

I wouldnt do a quitclaim deed but Im not an expert on the topic - I believe its best to go with an attorney or a title company.

Again, the BiggerPockets store has some books on this topic, or you can learn about it by watching podcasts, reading blogs, and interacting on the forum.

She is President of American DataSearch. https://www.americandatasearch.com/Tenant ScreeningThis screening provides you with all the pertinent information you need to make informed decisions about your residential or commercial tenants.

And a little skepticism that the market would continue to grow at 5% or more on average (it's been ~7% average for the 8 years I've lived here)@Dave Foster I filled out the BP spreadsheet here for the sell or rent decision, and similar to you advice, selling and investing the profits in index funds performs only slightly below being a DIY landlord, making that seem an attractive option. 

We are for sure NOT going to have the tenant pay the previous owners directly, but instead pay us and we will make our decision from there.Thanks!

Never make bold design decisions when renting the unit.