A: Exactly! By purchasing a DIBZ lifetime deal, you get 20 monthly credits for link prospecting. In addition to that, you can always purchase as many codes as you want and spend them on data / results enrichment with Ahrefs link data (DR, organic traffic, ref. domains, backlinks, anchor text cloud) and/or additional email prospecting via Hunter.io
Most of the searches that deliver several hundred of results spend just a few credits for some Ahrefs metrics.