ETA - all in I am in under $5k - that includes $800 for the treadmill, $900 for the Computrainer way back in 2000, $600 for the 2 x lat pull machines, and a trip to Sports Authority for a whole pile of stuff that came to round $1500. The rest were ridiculous buys from ebay and live auctions.
I wrote a big long response then my computer froze so I’ll start again. And now I see the shortage of plates and that prices have jumped so I can change things. I collected my stuff over about 3 or 4 years. I have virtually everything. All but a small handful of stuff used. I started with a 500 sq ft room and have taken over a chunk of the basement too. The room I used was always meant to be a gym, concrete floor but big window at each end - I had no interest in being in a dungeon. I like working out in a gym but the added commute time and prep time gets too much for me.
Things I use a lot:
used commercial treadmill
Computrainer
power rack - I like being able to lift heavy without fear of dying - my rack was custom made for a gym training strongest man competitors - I actually have a platform if I want to use giant rock atlas balls - they were refurbishing and I got several things cheap
dumb bells - I have everything from 3 - 100 - nice being able to switch without work
cable crossover - I got mine stupid cheap at an auction - but a regular cable machine like listed below can do most of it
multiple flat and adjustable benches
Hi/low cable machine
Plenty of plates
Things i don’t use much, most of these were in package deals so no extra money:
leg press
single use seated row machine
leg extension/curl machine
pec deck
curl machine
I got almost everything used off of ebay. I am willing to drive - live in Columbus - trips to western PA twice, west of Detroit, Youngstown, and a couple scores around Columbus.
If anyone is near Columbus I have some extras I have been planning to liquidate - we can make a deal. 
For flooring in the places that count you want this: https://www.ruralking.com/…-horse-mat-3-4-thick
For lat pull machine I have this - works well - and I have an extra that I bought before I found my cable cross - https://www.bodysolid.com/...olid_pro_lat_machine
I found a couple huge amounts of plates that I bought used - can’t ship plates very well so I drove to west of Detroit and brought home over a ton of plates.
You can make dumb bells from 1" plates and handles - use spin on collars so they don’t fall and smash your toes. So if you find a cache of these cheap don’t pass them up.
I have no idea what to tell you about the shortage of plates. I see Dick’s has nothing in stock - and used prices have gotten silly. I might need to sell some of mine.




