You would be much better off finding a job that can at least cover your living costs while you build your portfolio.

In an example like that waiving some late fees to avoid eviction costs, additional nonpayment until eviction, turnover/vacancy costs is well worth considering.

For a low-cost solution, you can create a simple Google form with custom questions and share the link with them.

Your example:1M purchase, sale of $1.4M then a $400K gain is forgetting your rehab and sales costs of approximately $150K, so your real gain is $250K. 

Most cost effective way to go is SERIES LLC.

I hired a local handyman by father knew to 'save on repair costs' as opposed to going with one of my usual GC's.

Know the trends, the costs per project and needs of the buyers there.  

This helps reduce operational costs and increase efficiencies, hopefully giving the landlord back time to spend on other areas of the business.Market Trend Predictive Analytics: There are AI algorithms that can analyze large amounts of data in order to predict property values and future market trends.

So if the project cost is 170k including purchase and rehab and you can get 180k value after then does not work as a fix and flip.As a rental, let's say you have a 30 year DSCr with a loan amount (180k x 80%) 144,000. 

Cutting down timelines to not extend carrying costs Did you work with any real estate professionals (agents, lenders, etc.) that you'd recommend to others?