Is it possible to make money using your Linux knowledge if you're not a developer? I know I can become a professional devops or sysadmin if I take some courses and master advanced networking. But is there something I can do now as an average, moderately experienced linux user?
For example you could do website hosting? Set up limits for each customer directory, configure PHP and Apache and sell space + bandwidth packages.
The price per month got pretty high recently, and it might be interesting to position a company as "for the long term" (the big providers all hide their true monthly cost behind an introductory period, so you would have to swap every 2 years to get the best price)