In modern marketplaces escrow like functionality is becoming the norm. It massively increases buyer trust, and allows new sellers to get started. It's extremely important for B2B marketplaces and high value goods.
A good default implementation could be: payouts 14 days after valid tracking info is entered. Buyers would then have time to raise an issue if their parcel has not arrived (or service not provided for other sales types). The marketplace admin could then refund the buyer with certainty, and without any fees being taken.
In modern marketplaces escrow like functionality is becoming the norm. It massively increases buyer trust, and allows new sellers to get started. It's extremely important for B2B marketplaces and high value goods.
Stripe Connect allow such functionality. Here you can see the docs of how they have implemented this functionality at sharetribe https://help.sharetribe.com/payments-and-transactions/online-payments-with-stripe/how-to-delay-payments-and-hold-funds-with-stripe.
A good default implementation could be: payouts 14 days after valid tracking info is entered. Buyers would then have time to raise an issue if their parcel has not arrived (or service not provided for other sales types). The marketplace admin could then refund the buyer with certainty, and without any fees being taken.