Solar energy
Yes, you are indeed right that installing such a panel will be very expensive, but then the profit will be so great that you will understand that it was worth it. For example, the installation of a solar power station for the feed-in tariff https://www.businesswire.com/news/home/ ... Smartphone pays off within 5 years. This is a great opportunity to start being more careful with nature, producing your own electricity without leaving the cash register)), and also earning money. I’m also thinking about ordering something like this for my father’s house next year, but right now I don’t have enough money to save up. Moreover, this concern is a pro at this.