What to do with empty liquor bottles?

Just throw them away or use them as decoration if you feel like it.

Put them in the bin?

Rinse them a little. Set them out on the sidewalk.  When the poor kids walk home from school they will take them. Break them into a bucket. Then make a Piso off them at the recycle center. Same with cans & scrap metal. 

I throw them out using my recycle garbage can.

sell them for money

Depending on size and brand, a local collector might give you a couple dollars each 

(Ebay isn't a good option as they'll probably cost more to ship than their actual value).

I keep a couple on hand, just in case there's a problem with another bottle -- and that

came in handy recently .. Part of a bottle had chipped off, so transferred contents to a

similar bottle .. Different brand but still looks better in a glass than plastic bottle IHMO.

Recycling is good. If you have a kiln you can slump it

The trash maybe? I'm just guessing here.

Recycle them, if lucky you get 19 cents per pound for plastic liquor bottles without the caps. The caps are a different kind of plastic that the recycling place doesn't want.

Recycle them, usually indicated by a blue recycle container.