How can I maximize my studio apartment?
+5
We can't make holes in the walls and COMMAND hooks don't work as the walls are "textured" and painted gloss. 
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What are you trying to do
Hi! I am right across the 126 from you. Pass by every time I take my dogs to the beach in Ventura. Organization is the way to go. Use what you have before going out and buying more stuff. See if any of these tips will work for you.
https://www.buzzfeed.com/peggy/brilliant-ways-to-make-a-small-space-more-livable
https://www.thespruce.com/how-to-maximize-your-space-in-a-studio-apartment-4125797
http://www.apartmenttherapy.com/how-to-layout-a-studio-apartment-220821
https://www.realtor.com/advice/rent/space-saving-secrets-for-organizing-a-studio-apartment/
visully,use mirrors and less ,or group knicknacs
Apartment size sofa. Instead of a coffee table use a blanket chest.
Good space planning and multi-purpose storage is probably what you need most. Can you put drawers under your bed to accommodate most of your clothing and shoes? Can you elevate it to make a space for studying or a small couch? IKEA has a lot of storage solutions that don't need to be attached to the walls,