Monty, take a small amount of time to work on your credit daily.

If there's enough duplexes that it's likely you find one you like in a reasonable amount of time (less than a year), then start looking at them in your preferred area.

Depending on the volume you would be submitting, find a company that does not have high monthly minimums and can walk you through the process if this is your first time using.

EDUCATE YOURSELF - yes, it will take time, but will lead to a selection that better meets your expectations & avoids potentially costly surprises!

He seemed like a big-time agent who works with a lot of long-term investors.

Those who have figured this out have earned my firm's business; I'm not willing to be held hostage by 'process.'

And, if you are going to buy someone's time and expertise to train you, DO THE WORK. 

We have created work instructions for every step of the process so we can maintain consistency in how we evaluate properties, communicate with tenants, market our properties, handle rent increases, manage property turnover, etc..... 

Its a slow learning process if you havent been in the lending, investing or real estate world before.

Often times, their approval processes are slow.Credit Unions - Their member structure also subsidizes their financial structure so they can also be a source of low-cost financing.