A lot of people have interesting stories to tell about building a deer blind. Everyone runs into problems on their first blind. I remember the first deer blind that I built. My materials list on my first draft of the deer blind plans came to about $80. Halfway through construction, I had already made 2 more trips to the hardware store than I had planned and I had already spent twice my budget.
But, the learning experience you get when building a deer blind is worth every minute and every penny. After you build one deer blind and you know how to build a deer blind, you'll be able to build another one in half the time at half the cost. You won't make the same mistakes with measuring and cutting that you made the first time (hopefully...). You'll also know exactly what you need in the blind and what you don't so that you don't waste time and money on features that are too much trouble to be worth it (Do you really need to build a furnace in there or will a propane heater work good enough?).
It's sometimes best to learn from other people's mistakes and do the job right the first time. That's why when you are building a deer blind, you can't go wrong by getting a good set of deer blind plans.
Get your own set of deer stand plans that will take you step-by-step through the entire process.