Hey M, welcome to Permies!
I'm also just starting out. Wife and I bought about 60 acres of mixed woods/pasture two years ago, and just moved onto the land about six months ago. I think the most intimidating and daunting task for me is replacing the perimeter
fence. I have what I'm guessing to be about a mile and a half of decades old four strand barbed wire
fence strung on a mix of steel and rotting
wood fenceposts that is in poor condition and all of it needs to be redone. The difficult part of it is almost all of it goes through woods or tree lines with plenty of thorny bramble undergrowth, and aside from the cost of materials, all the fenceposts and new fencing has to be installed by hand. I figure as we save money, maybe once a year I can buy a hundred 7 foot steel fenceposts and new rolls of wire and do a little bit at a time.