Keep the minimum balance locked: Allocate your 100 USDT to the Funds wallet to maintain eligibility for Maker ad publication.
Choose high-liquidity payment methods: Use local immediate payment channels (such as Mobile Payment or commercial banks with high traffic) to reduce the waiting time between order and order.
Calculate friction costs: Make sure to deduct bank fees, ITF, or possible exchange-rate differences before setting your price differential to maintain a truly positive net margin.