You can keep unrooted cuttings in a ziplock bag and keep it in your fridge for 5~ weeks
This saves electricity and room so you dont have a whole room dedicated to 100+ cuttings that you dont even know if theyre worth it or not
Just do your homework, subcool has instructions all over google, you will need to change bag out here and there and make sure to take a few cuttings of each plant because it definitely isnt 100% success rate, ive had about 70% success rate