Hyper-V Cluster Network configuration

I have a 3 node Hyper-V cluster setup on W2K8R2.  My nic configuration is as follows:
1 Team for Host Management - 10.11.x.x
1 Team for VM Access - DHCP
1 Team for Live Migration/CSV 172.16.x.x
Each node has two QLogic iscsi adapters to access storage on netapp.

My questions are:
1- Can I use the Host Management Nics for VM Access instead of having two separate networks?  What are the pros or cons of that?  

2 - Keeping the current configuration should my network for VM Access stay on DHCP or should it get a static IP?

3- With the current configuration I set the Live Migration\CSV network to "not allow cluster network communication on this network"  -  By doing this if I pull both Host Management NICs (Testing) my VMs failover to their failover node.  However if I unplug the Live Migration\CSV nics (Testing) My VM's do not failover, they remain up but you can't ping them or access them.  How should I configure my Live Migration\CSV network if I want to use one network for both?

4 - If I set my Live MIgration\CSV network to "Not allow cluster network communication on this network" I don't believe the cluster is doing redirect through my csv network (Live Migration\CSV)  If I set this network to just "Allow cluster network communication on this network" it won't failover when I pull the Host Management Nics

Thanks,