Cheap 'n' Greek 'n' frugal: Pommes frites (Πατάτες τηγανιτές)

Prices are in euro (valid in Hania). All ingredients are Greek or locally sourced; those marked with * are considered frugal here because they are cheap and/or people have their own supplies.   Potatoes used to cost around 70 cents a kilo. But lately, people have been able to secure them for as little as 25 cents a kilo, straight from the grower, after a movement started by a group of