Can I move only selected plans and addons to Latest Product Catalog?

Summary

When migrating from Legacy Product Catalog to Latest Product Catalog, there may be a situation where you do not need all the plans and addons in Legacy Product Catalog anymore.

Solution

There might be subscriptions and invoice records linked to the plans and addons. So it is necessary to move all the plans and addons to Latest Product Catalog. However, you can choose to archive the ones which are not needed in Latest Product Catalog anymore.

Will the plan ID be linked to the subscriptions in Legacy Product Catalog be changed after the site is migrated to Latest Product Catalog?

How can we test our code after the Latest Product Catalog upgrade on our Test Site?

Can we change the structure of our product catalog as a part of Latest Product Catalog migration ?

Is it possible to override quantity and price of tiered/Volume/Stairstep plan in Latest Product Catalog?