Building a pet banking app, classic chicken and egg problem, looking for advice. I will not promote Hey startups, I'm building a dedicated savings and spending account for pets. The concept: pet owners open a free account in their pet's name, fund it through payroll deposits, gifts, and automatic manufacturer rebates, and spend using a personalized debit card. Think earmarked savings for your pet with built-in incentives from pet brands. Background: I come from the veterinary pharmaceutical industry so I have real relationships on the manufacturer side. The site is live and collecting waitlist signups. The chicken and egg problem I'm stuck on: * I can't approach banking infrastructure partners without funding * I can't raise funding without proving demand * Manufacturers won't take me seriously without users * Users won't sign up without a real product I know this is the classic early stage problem but I'm trying to figure out which egg to crack first. My specific questions: 1.…