Free: Contests & Raffles.
Check craigslist this is the PERFECT time of year to buy them.. I bought 2 summit viper climbers for $150 each both hardly used and as comfy as my lazy boy!
The only problem I have with my treestand is falling asleep in it. I have an API Grandslam Super Mag and it is so damn comfortable that it is easy to fade to black, especially after a sleepless night or a long day of hard hunting.