When listing Amazon items with Hydra and having Hydra automatically export your items to skugrid, you can have them set to whichever pricing model suits your needs. 


Lowest fulfilled = shipped & sold by amazon or shipped by company x and fulfilled by amazon -- excludes Prime Member Only Deals and 3rd party merchants  (enter #skuopt:fulfilled at the end of url when listing with hydra)


Lowest New = Lowest Priced seller of the item in new condition - can be amazon fulfilled or 3rd party merchant (enter #skuopt:lowestnew at the end of url when listing with hydra)


Buy Box = whoever is in the buy box at the time - can be amazon fulfilled or 3rd party merchant (enter #skuopt:buybox at the end of url when listing with hydra)


Lowest Used = Lowest Priced Seller of the item in used condition - can be amazon fulfilled or 3rd party merchant (enter #skuopt:lowestused at the end of url when listing with hydra)


Lowest Overall = lowest priced seller of the item in any condition (new or used) can also be amazon fulfilled or 3rd party merchant (enter #skuopt:lowestoverall at the end of url when listing with hydra)


Prime Exclusive Only = special deals and pricing for prime members only (amazon will have a blue banner on the product page showing that the pricing is for prime members only)  (enter #skuopt:exclusive at the end of url when listing with hydra)