for Subnets, it should just ask: how long do you wish to validate? (specified end time since they must validate the primary network)
for PoA L1: ask for the amount of AVAX for the continuous fee balance
for PoS L1: ask for the amount of AVAX for the continuous fee balance, and the amount of Staking token to stake in the VMC

Also, this flow should check that the key that plans to provide the balance or pay the transactions had AVAX on the P-Chain BEFORE spining up a new local node to add to the cluster.

• I have created 3 new nodes and have failed to add them as a validator while troubleshooting this feature because I had to the exit the flow. My chosen wallet did not have any P-Chain AVAX to pay for the balance in this step:

✗ What balance would you like to assign to the validator (in AVAX)?: