Yes, you can reuse your address multiple times without a problem. However, there are few things you need to know https://en.bitcoin.it/wiki/Address_reuse You start to lose your (pseudo) privacy as it becomes more easy to identify you. Some wallets change the address every X days, so don't forget this as well
Not only that, but these days it will also cost you a fortune to transfer payments from a address which has received multiple payments. If OP you use a wallet like Electrum then by default you don't have to worry about receiving the payments on a same address, As Electrum will give you a new address for every new transaction. It's best to use a new address for each transaction, unless obviously you have money to blow away.