One .biz applicant has as its charter you must intend to setup a business, and the domain can be taken away from you if that s not the case. It can be difficult to design a charter and figure out how to enforce it. Many have ignored the view that this is a step along a path. Applicants should understand that more acceptances are coming later. But keep in mind that this proof of concept at least theoretically anticipates a type of TLD that is such a failure that we d never want to add any more like it.
Registry can set the registry price at market conditions.
Registrar set the registrar price at market conditions. For .web, all our names cost the same. In Affilias and RegistryPro, registries are exclusive. Perhaps not yearly. A breach of faith to change prices the way you propose.