Ideas 1, 2, and 4 could come together with a permaculture food forest/farm. First task would be to cover crop the land to protect from soil loss and start replenishing some nutrients. Then, you have some time to make a good, phased plan of how you’d want to develop it.

Talk to experts and professionals whichever direction you take. They’ll often save you much more than they cost.

Steam Link works well if they’re still around.

Slam it all you want, it means nothing until someone actually does something.

Very clever use of a cymbal stand.