if you’re dead set on buying up some equipment for home then here is what i would recommend:
A power rack
a good quality adjustable bench that will incline and decline.
an Olympic barbell set - dicks sell a package that includes 315lbs of weight and a bar
dumbbells are were it can get expensive.
i personally prefer solid, one piece dumbbells over adjustable. when you buy these they are usually .50 cents a pound so they get expensive so because you need a wide variety of weights. so i would say get yourself two dumbbell bars the accept Olympic sized weights.
Jimmy