I was wondering if anyone knows if I may be able to create a NAIP equivalent using Landsat imagery. If so, how?
I agree with @BradHards. It depends on what specifications you want/need and applications for use. NAIP is flown for agricultural purposes. As such the time collected is usually at peak ground cover. If your intended use involves applications relating to ground cover, ecology studies, etc. then Landsat may serve your purpose. I think your question needs to be revised to include what applications you're looking to use it for, resolution needs, frequency of updates, and so forth.