Why, if his monthly bill is 83 cents, and he values his time? Does not using a CDN impact performance in a crippling way that neither me nor the poster you're replying to understands?
Putting it being a CDN protects you (at least a little bit) from the possibility of a huge bandwidth bill at the end of the month if someone realizes they can attack your wallet directly by trying to ddos your site.
It adds up to 600ms of latency for each roundtrip. A modern website without link rel=preload is several roundtrips– download HTML page, then do JS requests and CSS, so that's ~1.2s of additional latency.
Because he succumbed to AWS' marketing. Surge, mentioned downthread, lets you deploy a folder for free on a worldwide CDN with virtually no setup.