Dynamic, distributed, unreliable node cluster?

[winxp5421]

Yes, this can be done with the hashtopolis project. https://github.com/s3inlc/hashtopolis

Create an image that will autostart agents that point to your persistent hashtopolis server.

Create tasks and wait for cheap compute to do its work.

It won't be one click and done kinda thing to set up but, it's entirely possible.