Why don't construction prices go down?

That is a very strange calculation. I keep very precise records and this year my system (30kWp) brings a net profit after all deductions and interest (excluding depreciation) of about €3,750.

But surely not just for heating and hot water?
For those interested, it is somewhat difficult to follow if one always has to ask anew whether apples or oranges are being discussed. Just as constructive feedback.

Of course, about everything. What sense does it make to compare a total investment with only a part of the returns and thus question the profitability?

If I buy a new car and use it to go to the baker on Sundays, then those are pretty expensive rolls (if I omit that I also drive 30,000 km per year for other routes).

Don't understand the bill.

I have a 13kwp system without storage. I currently pay about €100 per month for electricity (new building, heat pump) and receive €60 back as feed-in tariff. So a net €40, which I now have in ongoing costs after investment (I'll leave out the opportunity costs because I could invest more monthly for that).

If I didn't have the photovoltaic system on the roof, my monthly electricity costs (heating, hot water, household) would be €150...

I don't understand the calculation.

Is there one? I see the mentioned results. You can accept them as they are, or you can question them. will provide us with more information if he wants to strengthen his point.

Here are a few impulses on the topic of taxes, top tax rate, wealth tax, etc.:

Last year, with a gross income of 60k, I paid about 2k in taxes. It definitely paid off that I read up a bit on tax law. I can only recommend it to everyone.

Additionally, our portfolios grow every year. And here too, I can confirm the statement of a forum member: beyond a certain value, money simply multiplies and grows. By now, our investments yield more than the interest we pay on our property and significantly more than we can save from our salaries.

And what happens if we sell our portfolios today? All earnings are taxed at 25%, here too we are miles away from the top tax rate.

2k is extremely little. What do you think was the biggest lever? You must have declared quite a bit of "costs."

But basically, I agree with you. My wife and I earn almost the same amount, we just bought a second apartment (new build) (100% financed), which currently shows attractive depreciation possibilities. Together with a prime location in a big city and thus above-average square meter prices, it can practically not not pay off.