I live in NYC and don't have the space to build out a home gym, but if I could the two things I'd love to get would be a heavy bag [1] and a gymnastics stall bar [2]. I have some kettlebells and thicker muay thai jump ropes I'd throw in there too. Practicing on a heavy bag for a even a few rounds is a crazy workout, and there's a lot you can do on a stall bar [3].

[1] https://www.boonsport.com/collections/heavy-bags/products/co...

[2] https://www.roguefitness.com/rogue-stall-bar-3-0

[3] https://www.youtube.com/watch?v=Xvfi4hWw5tw