Wish I had time as well. At one point, I thought about adding soil prep for smaller food plots as a service local to my area as I have machinery that can get into areas that a lot of tractors can't get to.
I will also recommend YouTube, but can you be more specific about what you have and what each are doing. I just replaced a crappy twist/grip shifter on a kids bike with a thumb shifter and it's much easier for my 8 year old to operate. I recommend this on any hard to twist shifter, it was very...
I do design/install-plantings, light grading, boulder, and some stone work if that is what you are looking for. If it's clean-up/mulching, that is not my cup of tea.
Or winter when they are trying to find a different career. They don't have time to do that right now, they are too busy playing catchup, looking for help, and trying to keep expensive equipment working.....that's what I heard anyway.
I had 3 injectors out at less than 130k. I know less than perfect fuel/oil can wreck havoc on them. I drained my fuel water separator fairly frequently (more often than factory recommended intervals). Have you been on Powerstroke.org, Ford-truck.com, etc. message boards?
I might could help with plantings and such, but it sounds like your other needs are not in my scope of work (I would do them along with planting but generally not by them self). Btw, it's better to do plant trees, shrubs, and ground cover in fall. Sod other than fescue would be suitable for...
DiamondD Motorsport in Hickory Flat was my diesel mechanic before I switched back to gas. He works pretty much exclusively on powerstrokes, and is far more reasonably priced than any dealer.