As for doors, we learned the manufacturers sell to distributors for pre-hung frame manufacture.

Ben, If you rollover your 401k pre-tax money to a rollover IRA and then withdraw it from the IRA it will be taxed. 

Down payment, credit score, and pre-payment penalty (on DSCR loans)  effect the interest rate and the cost of the loan a great deal.

Compared to pre-TCJA rules, there is no material change in the tax treatment of a building involved in a like-kind exchange, where a cost segregation study has been performed.

Let's do this, let's get you pre-approved with @Erik Estrada and go from there

Not only that, it's a lot of "copy & paste" that someone pre-wrote.

RentRedi for property mgmt is nice since you can list the units directly from RentRedi and they do all the pre screening and applications there too.

I do not lend in AZ, so I am no direct help, but I can price out better then both of those options with NO pre-payment penalty at all. 

You could look into converting pre-tax money into a Roth IRA, purchase real estate and then all income and profits from sale, are tax-free in Roth IRA.

These clowns are so desperate to catch a sucker, they probably waste 90% of their time having conversations about how to invest and just keep trying to push them into their market when the person doesn't even have money or a pre-approval.