This is going to make you smack your forehead.
I was sitting in my new travel trailer that has a lot of windows, watching the birds and wishing I had a window bird feeder. So, I designed and built a nice wooden one, based on one I had seen years ago. It's nice, but it takes time, materials and woodworking skills to make it. It also takes up a lot of room in my tiny house.
One day as I was walking through Dollar Tree, I saw something . . .