You can use a DSCR loan to build a property?

The door in question is the front door which is the only entrance to the building for all the tenants.  

Nothing is wrong with taking a job to learn an industry, process, procedures, make contacts, etc... and then (sometime later) applying what you've learned, and connections made into your own business.

For our furnished MTR LLC, we use 53 Real Estate and Rental Leasing and subcode 531110 Lessors of Residential Buildings and Dwellings.All the best,Wes

A rehab having a structure to work with and having to build new structure will change the budget drastically .

Land appreciates in value, buildings depreciate.

My 2nd duplex was a new build in Indiana. 

Do you want to learn the industry through experience and mistakes? 

The heights recently underwent change in zoning, so investors/developers are beginning to pay more per lot to build.

As far as the other units most policies have "building and ordinance" clauses which proved some coverage if you have to update to "Code" but if the other units aren't damaged and are still up to code I wouldn't think there would be an extra coverage provided.I urge you to go into the process treating the insurance company as a partner not as their going to screw you no matter what :).