Frubal but healthy meals without kitchen or appliances

I'm currently living in a small airbnb room in Kansas City, my landlord is not happy about me using her kitchen. The lease lasts another month, so I'm looking for smarter ways to handle breakfast, lunch and dinner.

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Right now I'm getting most of my meals eating out: from a Whole Foods next door, I try to keep it healthy and balanced and this ends up with me eating away $10 for lunch and $10 for dinner. I can't bring any leftovers home since fridge and microwave is off limits, but I do have plenty of space in my room for dry food items.

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Any advice would be greatly appreciated, thanks!