Account packs are created so that there’s a minimum order. Add as many packs as you wish in your shopping cart.
For the non-PVA accounts you need a phone verify solution. For the PVA accounts there is no re-PV service offered, thus the PV is one-time. Also, re-PV could be triggered at any time later due to one or a combo of the following: flagged account data (bio/link/pics), flagged proxy, or too many actions (whatever IG believes to be suspicious activity).