You cannot sign up for auto-renew when you first subscribe to an Ignite extended storage plan; however, before your first year subscription expires, you will receive an email notification which will give you the option to set your subscription to auto-renew.
You will need to add a preferred payment method at this time for recurring payments.

Yes. To upgrade to a larger storage plan, simply click the “Subscribe Now” button on the storage plan you want to upgrade to, and you will be taken directly to the checkout cart. Your additional storage will become available immediately.

If you want to switch to a plan with less storage, you should wait until your current subscription expires. No refunds are issued when you downgrade to a smaller plan from a larger plan in the middle of a subscription. If you switch to a plan with less storage than you have saved in your Ignite account, you will not be able to upload any new images until you have freed up enough space.

You can only have one active plan connected to your Ignite account, a maximum of 1000 GB of storage.