Mastery XP Potion price in Pet Simulator 99

Mostly yes. Stick to shops with escrow and a real track record and you'll be fine. The offers that go wrong are the ones priced way under market by sellers with no history — we collapse those by default.

4 sellers compete across 3 shops; stock, delivery speed and seller reputation all move the price.

Shops sell Mastery XP Potion in packs from 1 to 1. Every listing is converted to a price per 100 so the packs compare. The pack a seller ships is on its row, and the amount table picks the cheapest listing for each pack size.

It compares an offer’s price to the market median, then adjusts for seller trust: rating, completed orders, delivery speed and shop protection. Higher is better; the list is sorted by it.

The seller hands the item over in-game after checkout. The top offer delivers in about 10 minutes. Green dots mean under an hour; amber means the seller quotes longer.