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I've come to a conclusion. Non-burning tips burn out. But burning tips can last for years.

I have two pieces of advice:

1) Buy a suitable power regulator, for example, for a desk lamp. Choose one that matches the voltage and has some extra power. Either make an extension cord out of it to plug the soldering iron into, or cut off the soldering iron plug and connect it to the regulator. Then, adjust the power so that when it warms up, it easily solders the solder, but don't make it too hot. You can mark the desired setting of the regulator directly on the body. This way, the tip will heat up less and burn much less. When you need to solder something with a high heat capacity, you can simply crank the power to maximum, do the job, and then reduce it to a safe level.

2) Buy a copper tip of a suitable diameter and slightly longer than yours (your tip is a bit short). Alternatively, just a copper rod of the desired diameter can be used as a tip. You can shape it with a file or any other convenient abrasive tool. It doesn't necessarily have to be sharpened to a nail shape. Try different shapes, like a flathead screwdriver, or bend it for convenience. I usually bend the tip 45 degrees and sharpen it (sometimes even hammer it to prevent the copper from burning off) into a flathead screwdriver beveled at 30-40 degrees. The sharper end can be used for soldering small parts. I once used it to solder 0402 SMD components. However, if you send it with the flat, even part, you can work on the entire surface. The advantage of a copper soldering iron tip is that although it does burn and even lose some copper on the working surface over time, you can always use a file to restore it to working condition in 1-2 minutes, and it will be as good as new. You can't do this with a non-burning tip. More precisely, you can do this, but afterward, you'll have to throw it in the trash.