Database-driven web sites

I am starting a service where I'll offer database-driven web sites to real estate investors. Full details of this are given at [login to view URL] When you respond, pls describe on PM: 1) how you will implement security so that - a buyer gets only one license (i.e. they can only run one installation) and - they cannot copy the code 2) describe how you'll implement template system. 3) describe how the admin panel installer will work Please do not bother placing your bid if you do not follow the above instructions.