There is a lot of this in EvE Online and it's a valid and welcome play style. Unfortunately, everybody will tell you its opsec if you ask for details.

If you want more information about EvE Online's extremely deep and intricate economy (Essentially everything is built by players who mine ore to make components who resell to integrators that have associated distributors and clients and so forth) you can check Oz on youtube who makes market and market analysis content ( https://www.youtube.com/@OZeve )

Very closely related, EvE Online now has an official MS Excel plugin from Microsoft with full API integration with EvE Online. This game is an effective way to become an expert using MS Excel and its full, powerful integrations: Oz' Quick Guide: https://youtu.be/eAogNNeDZuo

EvE Online also has a convention where our EvE Ted Talks are presented to one another (like defcon) called Fanfest. Here's 51 minutes: Fanfest 2023 "Market Spreadsheet Masterclass" https://www.youtube.com/watch?v=6Ql6IU1eZpM

If you have an idea, or want to see if you can do this, the free-to-play account can for zero dollars if you already have an MS Excel license or are able to integrate your own solution. The limitation is you will start with zero capital, knowledge, intuition, and F2P accounts can't make nearly as many orders as a fully skilled character.