How do I make a cheap bird feeder
See if you like any of these:
Here's a couple I've made. Both are inexpensive.
I made a bird feeder out of thrift store cups and saucers https://www.homeroad.net/2014/06/enamelware-tea-cup-bird-feeder.html
I made a bird feeder out of repurposed thrift store pieces https://www.homeroad.net/2014/06/diy-junky-bird-feeder.html
Check this one out: https://www.hometalk.com/9048928/diy-bird-feeder-made-from-pallet-wood