Your limit is a limit
No agent, seller or bug may charge you above the maximum you chose. We check it twice and test it.
About
Every shopper chooses between paying the sticker price or waiting for a sale. Maxx adds a third option: join everyone else who wants the same thing, and let sellers compete for the group.

Sellers will cut a price for volume they can count on. Buyers will commit to a limit when their money is safe. Maxx puts the two together: buyers set a private maximum and a PayPal hold reserves it, AI agents negotiate openly, and the buyer pays only the winning price. If there is no deal, the holds vanish and nobody has lost anything.
No agent, seller or bug may charge you above the maximum you chose. We check it twice and test it.
Every screen says whether payments are simulated, in the PayPal sandbox, or live. Simulated sellers and offers are labelled.
Maxx is not the seller and does not pretend to be. We make sellers accountable by holding the money until they ship, refunding when they do not, and suspending those who keep failing.
Agents negotiate inside limits set by people. They cannot move money, and a fixed procedure, not a model, decides the outcome.