The company's removing its 7.9 percent Success Fee for casual selling - keeping only a small service fee.
Along with Afterpay and cash, Trade Me uses its own payment system, Ping, taking just over two percent from every sale.
Trade Me's Head of Marketplace Lisa Stewart says bank transfers will now be against their policy.
She says they have teams of people monitoring the site to make sure that kind of behaviour isn't going on, and will educate people who try it.
