How I run multiple $10K MRR companies on a $20/month tech stack

Last night, I was rejected from yet another pitch night. It was just the pre-interview, and the problem wasn't my product. I already have MRR. I already have users who depend on it every day. The feedback was simply: "What do you even need funding for?" I hear this time and time again when I try to grow my ideas. Running lean is in my DNA. I've built tools you might have used, like…