A dime a dozen
Definition 1 of 1
Pro Tip 1/3Not Valuable
This phrase implies that something is so common it has little value or importance. 
Enthusiasm is important, but ideas without execution are a dime a dozen.
Pro Tip 2/3Use Sparingly
Overusing this phrase can weaken your message. Use it to emphasize abundance but not in every context. 
Freelancers may think unique skills set them apart, but sadly, in the market, they're a dime a dozen.
Pro Tip 3/3Informal Tone
It's casual in nature. Best used in informal conversations and not in formal writing or speeches. 
Sure, he's a good player, but talented athletes are a dime a dozen.