Buy vs. Rental
Nothing is Free. Such as-Island Oasis or similar commercial frozen margarita machine placed at your restaurant or bar. $20-$30 markup per case
4 cases a week x $20 is $80 x 52 weeks=$4160 per year.
Hamilton Beach HBS1400 Revolution 3 hp Ice Shaver and Blender sells for $2100. You could have bought 2 machines. If you need a Frozen cocktail slush machine or Commerical blender.