I know many bartenders happy with this set from VinoBravo. <$40, 4.4-star rating and Prime shipping.
This 11-piece set is the best bang for the buck on Amazon. It's on sale now too. 4.7*, Prime shipping, and holds up to pro use. If you're looking for something a bit higher quality and intended for pro use, Piña Barware makes solid gear.
This is a great set for $32. It holds up to pro use and ships free.
<$40; 4.5*, free shipping, stand up to pro use...
The Joy of Mixology - For the enthusiast.
The Bar Book - For the new (or old) professional.
Hey, u/FunkIPA. I know several pros who are very happy with this set. It's very affordable, sturdy and more than enough for most bartenders. It gets you started. As you advance, you can replace individual components with far more expensive pieces from Cocktail Kingdom or the like.