We are all different, so how we enjoy the hobby varies greatly. This is healthy. It would be a sad world if we all liked the same things!
I quite enjoy QRP (low power) and like finding out how far really low power goes.
As an example, today one station was giving my 200mW WSPR beacon a report of -3dB S/N suggesting the even microwatts might have been enough.
I have been a member of the GQRP club for very many years. Their quarterly SPRAT magazine (A5 colour) is usually packed with ideas for simple circuits. As I have said many times, if all other radio magazines had to go, SPRAT would be the one I would keep.
Back issues of SPRAT are available on a flash drive.
The RSGB has a page about QRP. See https://rsgb.org/main/technical/qrp-low-power-operating/
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