guides
Invoice Reminder Best Practices: Templates, Timing, and Tone That Get Paid
Invoice reminder email and SMS templates for every aging stage, plus timing and tone guidance that gets invoices paid without friction.
Alex Popa·Apr 15, 2026·10 min
Alex Popa
Co-founder & CEO at Yonovo
Co-founder and CEO of Yonovo. Alex previously co-founded Boast.ai, where he helped companies recover R&D tax credits at scale, bootstrapping the company from a spare bedroom to over $123M USD in funding with a Series A led by Radian Capital. He also co-founded Traction Conference, bringing actionable growth advice to founders across North America. With a background in software engineering (Lakehead University) and accounting (UBC), Alex brings a rare blend of technical depth and financial discipline to building products that solve real problems for finance teams. On the blog, he writes about scaling operations, building for efficiency, and the intersection of finance and technology.
LinkedInPosts by Alex Popa
guides
Cash Collections Formula: How to Forecast When Customers Will Pay
The textbook cash collections formula has 30-50% variance. The customer-specific approach that cuts it to 5-10% for predictable cash flow.
Alex Popa·Mar 14, 2026·6 min
comparisons
Best QuickBooks AR Integration: 5 Solutions Compared
Compare 5 QuickBooks Online AR integrations: sync quality, automation depth, and setup time. See which connects in under a day.
Alex Popa·Mar 10, 2026·9 min
guides
When to Send Unpaid Invoices to Collections (And Why Timing Matters)
Invoices sent to collections before 90 days recover 70%+; after 180 days, under 15%. When to escalate and how to protect cash flow.
Alex Popa·Mar 5, 2026·5 min