I have been to the property and neighborhood and can confirm there is a fair amount of investment activity taking place.

Then subtract your debt service to get your cash flow.Income taxes will be taken out of your cash flow based on which income bracket you fall in. 

cost: 1,300/mrunway: 4 months = 6,800spread: 1900all in cash: 138,800Income a year: 22800/y ÷ all in cash = coccoc: 16.43%seller sees offer: 250,000sub-to 120,000sell fin: 500 w/ 0% intrest term: 13.33 yearsdown: 50,000

If so, given everything you have described - another option might be to cash out of it and take the money and run.  

Purchase price: $1,800,000 Cash invested: $960,000120ft tunnel carwash with 3 detail bays and an upstairs business office. rebranded the carwash business to match the same name and logo as two other carwashes and offered a joint monthly unlimited wash pass that was usable at any of the three wash sites!

This helps ensure the transaction progresses smoothly and in a timely manner.Earnest Money Deposit: Specify the amount of earnest money the buyer will deposit with the offer.

That means in 21 years I will have a fully paid off property, and can now cash out refi and buy X more properties.

The key is to have a detailed scope of work itemizing the materials and grade of materials to ensure that the contractor will complete the job for the original agreed amount. 

Is there anything else I can do other than buying cash? 

We will provide a letter stating that our entity has been making payments on loan number ## in the amount of $$$ for the last X years, on our letterhead.