Hi Brady,
I think it would be a good move to get your license.
Pros:
MLS access- you are now at a competitve advantage over others as you see immediately when a property comes on the market, goes up/down in price... From the MLS, you can get a pretty good gauge on the market yourself rather than asking a realtor. Being in the profession myself, it is somewhat scary how many realtors cannot figure out the market based off of hard numbers or even use a basic loan calculator.
Can also get into any property you want to compare or just look at without having to call a realtor.
Cons-
Not many. you will have to take the required education per your state's requirements. Pass tests.
You will have to carry E&O insurance, pay monthly MLS fees and usually a larger yearly fee as well (varies depending on the MLS). You should be able to locate your local MLS and ask them about fees.
Usually, you also have to hang your new realtor license with a managing broker for a certain amount of time (here in Colorado it is 2 years). Then you can go solo. The 2 year period is supposed to be so someone can watch over you, make sure you are not messing up contracts...
Also, you are required to take continuing education classes.
So, there are fees involved, but we are not talking anything huge.
As for commission splits on personal deals. This is something you would negotiate between you and your future managing broker. In a few companies I have worked with, personal deals only cost $500 rather than the regular commission split.
Spits- these can vary across the board depending on the company. Some are tiered where they bump up the more you sell.
70/30 is a decent middle point for commission splits with your future real estate company on any other deals you may do with regular Buyer/Sellers
Are realtors going to pass you up on great deals because they will have to split their commission?
Not sure if I am following. Now that you have access to the MLS, you have all that information as well. A realtor who knows you might be a potential Buyer who has a good deal may still call you as at least they will get paid as the Listing Agent if you buy their listing.
Plus, even if you have a regular job and only use this for yourself, you may still be able to help a family member or friend and either save them some $$$ or make $$$ if you choose to take the commission.
I think there are more pros than cons but you will have to go thru your state requirments for getting a license and yearly fees for having a license. But the access to info is well worth it.
Best of Luck!
Matt