Means about this I think a good base would be 3 new items in the Vet shop.
The player level must be 5 and under to use these items, the items will only set levels and perks and not do anything else.
Level 100 Vet Token, 20 Vet Points, This item will set your player level to 100.
Level 150 Vet Token, 25 Vet Points, This item will set your player level to 150.
Level 200 Vet Token, 30 Vet Points, This item will set your player level to 200.
That is a good amount of vet points for the item and it will cause you to skill all of the lower level content, but at the trade off of getting to a higher level faster. Also because of the use of the leveling chr's Vet Points this will limit what other items they can access.