Ok, sure. There are theoretical and convoluted ways to disconnect from the electric grid. You’re still buying solar panels. Your out of pocket costs don’t change. The river of money still flows into and out of your life. It’s called currency for a reason. The whole system is designed to stop you from keeping your money.
The dark secret about money is that it only works when there’s isn’t enough for everyone. Despite what politicians want you to believe, you are SUPPOSED to live paycheck to paycheck- at least under a western capitalist economy. This is why poor people are both the most valuable citizens, and easiest to control. It’s slavery with more steps.





In the short term, yes. The money you’ve saved is now considered “disposable income” and will be absorbed by the next person in line.
If a paycheck could make you wealthy, no one would give you a paycheck. A retirement account CAN make you wealthy but only after the machine has squeezed 40+ years out of you. But one way or another that money is leaving your hands and flowing back into the system.