Not knowledgeable at all as I haven't even begun but it seems to me that extra money is good.

If I have begun working with a commercial broker in a certain area and we have an informal agreement that I am working exclusively with her (we haven't looked at dozens of deals together or anything, but we've talked about two or three), and then I find a FSBO deal in that area and contact the owner directly and start negotiating, should I let the broker know as a courtesy or even a moral obligation?

My mother is a relatively new real estate agent but is working under a very experienced Columbus agent that also holds investment property, and a good friend of mine is a loan officer with American Eagle Mortgage, so I have begun assembling my "team".

I drive for dollars, mail to probate lists, and I have begun mailing to code violations lists.  

When you pick that Tenant for your home, you are saying you like that Tenant and that family and so far a good landlord/tenant relationship has begun and that is good.At the signing of the lease, we get to know each other better.Allowing tenants to pay their rent anytime only hurts the landlord.

We have just begun searching in the last few days, so I'm hopeful that something will materialize eventually.

My particular tenant had nothing to do with the military until after lease had begun.

I have a realtor I've begun talks with but forgot to find out if she has any investment properties herself.

Hello Jason,People have begun in real estate investing with less than it sounds like you have and ended up very successful, not to say this is easy. 

We've begun adding a utility surcharge of $50/month.