Tenants were ecstatic that I have been fixing things that were neglected for years and based on units in Clinton trading for about $200k a door, the property will likely appraise for 750k+ Lessons learned?

Here are some general guidelines: Lien Position1st Position LienEquityMinimum Down Payment of 20-25% (a 30% equity to sale price is preferred)Down Payment made in certified funds and not borrowedMaximum Funding of 70% ITV (Investment to Value)SeasoningMinimum of two monthly payments already made12 months or more preferredPayer CreditCredit Score of 650 or higherNo major derogatory trade lines (No 90-180+ days delinquent, foreclosure, repossession, bankruptcy, etc.)No decline in credit since purchase of businessTermsPrefer 60 months or lessMaximum of 72 monthsNo Balloon Payment preferredCash FlowBusiness has positive cash flow1.25 debt service coverage ratio preferred.DocumentationPersonal guarantee from a creditworthy individualStandard documents including Note, Security Agreement, and UCC-1 filing.Tax Returns on the business that substantiate profit and loss statements.OtherPayment history current and verifiablePayer Interview indicating buyer is satisfied with business and comfortable making paymentsMotivation for selling the note is not a result of a deteriorating businessConsideration of high risk businesses or geographic areasIn these situations, sometimes a partial is a better option. 

Across the board, the worse the neighborhood, the better the cash flow, the better the neighborhood, the trade off for tenants base, better schools, low crime, etc etc.

This may provide low cash flow up front but it is a way of scaling if you are good at adding value and then trading up that value.

What is trading paper or contacts called?

But I wouldn’t trade the experience for anything in the world.

Connecting with local GC groups in your area will help you connect with subcontractors, find out tips and tricks of the trade in your local area (since all areas and their real estate differ slightly).Also, have you considered the motivation behind building a brand-new duplex versus finding one on the market?

Sec8 is the "Options Trading" of Investment Real Estate. 

My cost wont necessarily be the same or comparable as I GC my own projects and have trade skills.

., get a higher paying job, work two jobs, go to trade school, get a higher paying degree, live in affordable area, etc...these are things that most of us did).