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Destructacon posted on r/fragranceclones1d
There are some very affordable polo dupes under the brand "Classic Match" by ParfumsBelcam. The bottles are about $10 at my local supermarket, and while I've only tried the red one so far (I really liked it, and it lasted a long time), they seem to be regarded as fairly good dupes of the Polo family fragrances. Here's a link to an Amazon listing, just so you know what they look like. This one is for a 2-pack, but I'm sure you can find single bottles without too much trouble.