Keep your exit strategy flexible; if the duplexes don't perform as expected, selling could be a safer option.

The advantage, however, lies in the flexibility—no income verification, minimal red tape, and more lenient underwriting.

From what I’ve read recently in the Wall Street Journal, some lenders have been more flexible with assumptions.

I am wrapping up my licensing education with the intent of being able to buy and wholesale solo part-time, while keeping my full time job.How would I go about finding a brokerage that would sponsor me as a sales agent while allowing me to have this flexibility?

After buying and selling multiple pieces of real estate, we still own a house hack (somewhat unconventional approach with a carriage house & primary home), but we love the flexibility it affords us. 

If you're growing your portfolio quickly, the added flexibility can make it worthwhile.

Companies have considerable flexibility in choosing where to set up operations.

The licensing costs are minimal can offer flexibility to your buyers.  

This gives you more flexibility and protection in uncertain economic times.Scaling: Once your investment is stabilized and your systems are running smoothly, start planning to scale.

However, if maximizing profit is your goal and you have some flexibility with time, going through a traditional agent could result in a higher sale price.