The benefit of an agent is that they have experience, they can negotiate on your behalf without getting emotionally involved in the transaction, they provide a second set of eyes, etc.

Then the license will benefit you by able to see homes ASAP, having larger access to off market or pre-market listings, etc. 

And are there any limitations or benefits to that?

There will be likely be benefit with just one property.

I see it as a benefit.

A potential benefit of doing this is forging a relationship with a commercial agent, so it could help finding deals in the future.

It's just a job where you trade time for money.There is no leverage, no equity, no tax benefits, no passivity, etc.I'd encourage you to radically pursue SAVE MODE and find ways in your current occupation to work overtime, deliver pizza on Fri/Sat nights, and cut back on eating out and entertainment. 

A VA loan is a HUGE benefit to have, make it work for you before you start looking to pay 14% on money just to outbid people.

The 3600 sqft property was used as a marijuana growing site and a result has mold. 

The Trustee holds title for the benefit or the beneficial interest.