1 - The ETF for a basic phone drops $5 for each month you complete of your contract. If you have completed 19 months, that means it has dropped by $95 and your current ETF is $80.
2 - yes.
3 - I believe if she has LESS than 1 year on her contract, her contract will be increased to a total of 1 yr remaining on her contract and before she can upgrade. Otherwise it will not be affected. I have heard different explanations on these forums from Verizon CS people, though, and would check before making the switch if she has less than 1 yr left on her contract.
Congratulations on your marriage, ngriffie90! Let's make sure you have the right plan for your family's needs! Thanks to rcscshnoor for the initial response. I would be more than happy to offer some additional insight. May I ask why you are looking to stop the basic phone line? Since 4/21/13, when an Assumption of Liability is completed on a line the contract and upgrade date will not be affected. Please let me know if you have any additional questions or concerns.