Thanks for writing and sorry for the late reply.
Telerik UI for NativeScript is currently in Preview mode and the way we are going to sell it is not yet decided. Judging by your questions I see that you're expecting to be able to buy separate components from the suite, not the whole one. Is that correct?
Otherwise, can you share with us what kind of apps you are planning to develop with NativeScript?
Do you want to have your say when we set our development plans?
Do you want to know when a feature you care about is added or when a bug fixed?
Telerik Feedback Portal
and vote to affect the priority of the items