Here’s two random, but useful phrases for you.
Fica a dica – The closest I can think of would be like “remember this tip”, as “dica” means tip.
Ex. No sabado, tem entrada franca. Fica a dica.
Ex. On Saturday, there’s no cover. Remember that.
Vira e mexe – Although technically it means “twist and turn”, this phrase is understood as “often” or “frequently”.
Ex. Vira e mexe eu esqueço as chaves da minha casa na mesa.
Ex. I often forget my house keys on the table.