We put as little down as possible but for pure investments that turns out to be 25% .

Pure laziness on their part.  

From a purely financial perspective the choice should be easy, you should be buying as even if you get a great deal on a cash flow property you would just be handing over that income over to your rent.

Pure equity lending is done in all markets I know of.  

The Meet Up group Jarod gave you the link to is more of a pure networking situation where no one is trying to sell you their course.  

And from a pure business perspective, you get better loans from banks personally for investing then through your business.

A pure option informs the seller that the buyer may or may not decide to buy the property, and he is paying an agreed to option fee for that right.In order to expediate real estate sales in this county we have combined the two, with the buyer getting an option period within the purchase contract.

I am purely interested in protection and preservation of my assets.

It's a pure gamble at this point and, I'm not much for gambling and if I were, I think I have better odds in Vegas.

What % commission split you have with broker is purely negotiable, whether you are a principal, or not.