Updating this thread in case anyone comes looking. Strong expat home game scene in Medellin. I played at casino Rio, they are running two games, a 2k/5k (150k min) and a 5k/10k (500k min) no max on either table. Games apparently run monday-friday. Expat games run sat&sunday.
In general, medellin is quite nice. Weather is good, women are beautiful, food is .. affordable
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Wouldn't really recommend it without basic spanish, but a fine place if you want to learn. You can also get by with no spanish if you stick to poblado area. A bit more expensive and a lot more gringos and businesses catering to them. Also where the casinos are.
Budget for a room is 800k-1.5M depending on what you are looking for, furnished apartments start at about 1M and go up as high as you like. For about 4M a month you can have an extremely nice place with 24 security, etc.