No harm in calling to find out.

If you profit, get rich and help others along the way then where is the harm in that?

Also, how do you like being an agent, and how has it helped/harmed you in developing your business?

No harm in getting it under contract as long as you have all the applicable contingenices in place. 

Get the mortgage, pay your bills, stick to your plan, don't ever commit fraud to harm others (getting owner occupied loans and moving out early isn't hurting anyone unless you stop paying your bills), and keep on pushing forward.

Again personal choice but they do harm a good amount of folks by saddling them in CC debt.

I am still working 2 jobs and saving for more properties and will leave my workplace when I have more income coming in from more properties to do investing full time.

But wouldn't a crushing market correction drag all your values down making a purchase now harmful?

This is no harm to you and can be a huge benefit.

No harm in asking for references.