You're doing good, just hang in there. I've let maybe 20 deer walk this year but they all were younger deer, big does but with yearlings in tow, or not legal bucks. I'm public land bow only and bucks must have 4pts on one side or 12in spread. The only legal bucks or big single does just have not presented a shot yet. I've sat in a climber in one area, continue to see deer behind me 70 yrds, move to that area and where I was originally is now the new hang out. Sometimes you don't need to be far back on public land, 50-75 yrds will be enough most places. I hunt like you, I'm set up and hour before sunrise, at least, and do not leave until dark. The 2 times I decided to move, deer walked all over the old site, 1 time I moved my gear to the new tree, sat everything down, went back for the climber and an doe and 9pt walked within 20yrds of me with my bow setting at the new location....you can't get dishearted. Hang in there and luck will prevail at some point, at least that's what I keep telling myself..