I haven't found any similar thread wherein this sort of discussion has started.
TL;DR Version
Care to share your successes? Some ideas for discussion:
Rain water harvesting.
Grey water harvesting and how to improve its quality for garden usage.
Borehole water: feasible, cost effective...
I had a good deal of paving paid in my holiday home hoping that I won't need to de-weed the yard when arriving at the holiday home, but I still have loads of weeds that have taken root in the minute but of sand between the brick paving.
I made sure that the paving company laid down a good layer...