I was running on unraid docker, so no VM and it was still awful ☹️

I tried the AIO docker build I never got the file sync working at an acceptable level. Would be using piss all resources and still only syncing a few files a second.

Does installing bare metal make it faster, or is that not what you meant?

The problem is access to market data. You are not going to find reliable (free) APIs for all the shares you want, never mind mutual funds etc.

If anyone knows options for UK/US data that is likely to remain free for year then let me know!

You can just scrape brokers websites of course, but it gets funky when there are splits/reverse splits/mergers.

They tried to pick a fight with Garmin and backed down real fast.