Solar Yard Lights. The cheapest I've seen them elsewhere is Target for around $3. I bought 4 of these, and promptly put them along the path in front of my mom's house. They work very well and do not look like they cost a dollar each.
When I went back Tuesday, they were sold out. However, you can order them in quantities of 48 for (you guessed it!) $48 at the DT Website
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