Any suggestions for cheap barn door hardware?

I found my barn door at a yard sale for $8. But I'm on a very limited income due to a disability so I can't afford the barn door hardware being sold out there. I'm sure I saw a reasonably priced hardware from a DIY project on hometalk that the parts needed were purchased maybe at Home Depot or Lowe's, I thought I pinned the DIY but I can't find it. If the individual that discovered the cheap DIY hardware sees this please share your wonderful hardware idea with me so I may finish my barn door project. Thank you.

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