Take your time, the end result is worth it!
I'm 80 years young but wow! Took me a little longer to complete the build. I found removal of the coating difficult, but now that's all put together and in my garden I appreciate the unscathed look of the panels. I ordered the 33" size so I wouldn't have to bend or kneel and I'm happy I did, it's just a perfect height for planting and upkeep. I'm now in the process of filling the lower part of the raised container - it's a lot of space to fill! Suggestions for what to use would be helpful.