How do you get Robux without buying them

If you have Builders Club, you will receive a certain number of Robux every day for free, and you can earn additional Robux by selling cloths and limited edition hats. If you don't have Builders Club, the only way to get Robux without buying them from the Roblox Central Bank is to trade your Tickets in for Robux at the Roblox Currency Exchange.