This will help all player to trade or buy items easily. Lot of items now a days price already low than the minimum price, Some players are taking advantage of this minimum price to scam other players.
Hoping for your consideration!
Warfarian
Or maybe you can lessen the minimum price by 50% this will help so much, lowering the tax by 5% has not so much impact in trading, lessening or removing minimum price will help more.