They had a sub contractor link and complete sets of plans.

If I have it set in the lease agreement that any violation of a rental property agreement will be assessed a $100.00 fee, do I need to give the tenant a warning letter for cease and desist first? 

Speak to your custodian and see if they will allow this and can refer you to an attorney that can help set it up.

Now a seller's agent spend lots of money and time working their spheres of influence, doing business by referral, sending out marketing materials to possible sellers, organizing events to find sellers, cold calling, and many other things to find homes to list.

I feel that this is a set back.

I'm using Mint to set budgets and monitor all my spending. 

I do have businesses set up for this and am contemplating moving the properties into the LLCs, trying to figure out if I should do this after the refi ...

REAY, SET, GOOO!!!

I am about to purchase my second property to flip with a set of partners.  

Each car either had their own number or extension and if you closed the transaction on a lead from someone's car advertisement, you would give them a percentage or set dollar amount.