Can I create 2 Wireless Networks off of a FIOS Router?

Question

Hi,
I expect to be getting Verizon FIOS within the next month. I will be splitting it with my brother as we live in a two family house, me one one side and him and his family on the other. We will have Internet, TV and Phone. We are looking to split the Internet and TV throughout the house to his side and my side. We already have Verizon as our phone carrier so we will be keeping our phonenumbers. Splitting the TV shouldn't be hard as we just need to connect my current cable line and his current cable line to the Splitter Verizon will be providing us.
The question I have is in regards to the Internet. Since we will be having TV I'm sure I need a coax connection from the ONT to the FIOS Router. What we would like to do is one of the following scenarios if possible, starting with what we really want first.  Note that all scenarios will include us disabling wireless on the FIS Router as we want out routers to provide the wireless.
1. We would like to connect 2 wireless routers to the FIOS Router to create 2 different wired/wireless networks based on the one FIOS Internet connection. Each connection will have its own SSID broadcast name (one for my side of the home and one for his side of the home). Is this as simple as connecting both routers' WAN ports via Cat-6 cable to seperate LAN ports on the FIOS Router? I would then disable wireless on the FIOS Router. I read somewhere that in order to do this, FIOS must offer 2 dynamic IP addresses. I was told this can be done with Time Warner Cable since it allows for 2 Dynamic IP Addresses. I would just have to connect a switch to the cable modem first. So, does FIOS offer 1 or 2 dynamic IP addresses? Regardless if FIOS offers 1 or 2 dynamic IP addresses, can I do what I want to do? If so, how? How would I set up the two routers? I imagine I would have to change the LAN IP addresses of the routers to something like 192.168.0.1 and 192.168.2.1 (since the FIOS Router is 192.168.1.1).  Anything else need to be done? Do I disable DHCP in the FIOS Router? Any help with this set up would be greatly appreciated.
2. If the above scenario cannot be achieved I was thinking of connecting my 1st wireless router to the FIOS Router via the WAN port on my 1st wirelsss router to a LAN port on the FIOS Router. Then I would connect my 2nd wireless router's WAN port to a LAN port  on the 1st wireless router.  I would then disable wireless on the FIOS Router.  Do I disable DHCP in the FIOS Router?  The settings would be below:
1st router:
-WAN/Uplink/Internet port plugged into FIOS Router
-LAN port/wireless as follows
Internal IP: 192.168.0.1
subnet mask: 255.255.255.0
DHCP pool: 192.168.0.50 to .254
2nd router:
-Wan uplink port into LAN port of 1st router
-LAN port/wireless as follows
Interla IP: 192.168.2.1
subnet mask 255.255.255.0
DHCP pool: 192.168.1.50 to .254
This way  the subnets are different and I have 2 different networks.  I can set up 2 different SSIDs.  I believe this set up will result in double-NAT however.  Would this be an issue? 
3. Lastly, if none of the above scenarios can be achieved, I was thinking of just using 1 SSID for the whole house.  I would connect my 1st wireless router's WAN port to a LAN port on the FIOS Router.  I would then connect a LAN port from the 2nd wireless router to a LAN port on the 1st wireless router.  Then I would disable DHCP on the 2nd wireless router so that is acts as a wireless access point.  I would change the LAN IP address of my 1st router to 192.168.1.2 and the 2nd router to 192.168.1.3 (since the FIOS Router is 192.168.1.1).  I would set up wireless and security the same on both routers.    I would then disable wireless on the FIOS Router.  Do I disable DHCP in the FIOS Router?  With this setup, will the 2nd router (wireless access point) only be a wireless access point or can I also connect devices to the router's LAN ports?
I know I may not have everything correct in the scenarios.  Will any of these scenarios work?  If not, what can I do to achieve my goal?  If so, then what must I change in a scenario to make it work properly? 
I will need to do Port Forwarding for a Slingbox and 5 IP cameras, so how difficult would that be with the best scenarios?
Sorry for the long drawn out post, but I figured I give as much info as I could.
Thanks for the help in advance,
Chris
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Answer 1

cgcmgr wrote:
1. We would like to connect 2 wireless routers to the FIOS Router to create 2 different wired/wireless networks based on the one FIOS Internet connection. Each connection will have its own SSID broadcast name (one for my side of the home and one for his side of the home). Is this as simple as connecting both routers' WAN ports via Cat-6 cable to seperate LAN ports on the FIOS Router? I would then disable wireless on the FIOS Router. I read somewhere that in order to do this, FIOS must offer 2 dynamic IP addresses. I was told this can be done with Time Warner Cable since it allows for 2 Dynamic IP Addresses.
Yup, this is the easiest way to create two separate networks. There is no need for more than one IP address from Verizon as long each router runs in NAT mode.  NAT mode will also keep each network completely separate - no sharing of resources will occur between them.  Double NAT is not a problem in most cases.
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