Advisor & Guest Blogger
Writes the RunwayDue blog: getting paid, e-signatures that hold up, what a US or Indian invoice must carry, and forecasting revenue that arrives in lumps.
Project businesses are told to look at MRR, which they do not have. Here is a model that works when your income arrives in bursts: four layers, sorted by how certain each one is, never added together.
05 Sept 2026 · 4 min read
Electronic signatures have been valid in the US since ESIGN took effect in 2000, and the statutes settled that question. What they left open is proof: whether you can show this person made this mark on this document, which is a question about the record your signing tool keeps.
09 Sept 2026 · 20 min read
No general US statute says what a commercial invoice must contain, so most "required field" lists are convention, not law. Here is what actually makes an invoice work, what the two federal exceptions (customs and federal contracts) really require, and which fields you can drop.
09 Sept 2026 · 21 min read
Net 30, due on receipt, deposits, milestones and late fees, and what each one actually does to your cash. Plus why an invoice is the worst place for a payment term to appear for the first time.
09 Sept 2026 · 19 min read
A signature image proves almost nothing. The evidence is the consent record, the timestamps, the per-recipient link, the append-only event log and the SHA-256 hash of the original document, plus knowing how to check that hash correctly.
09 Sept 2026 · 17 min read
ESIGN §7003 does not ban electronic signing, it withdraws a federal validity rule, and the difference decides whether you have a hard stop or a higher evidentiary bar. What subsection (a) and subsection (b) actually exclude, why each item is on the list, and what to do instead.
09 Sept 2026 · 17 min read
If your income arrives in bursts rather than on a monthly clock, most invoicing comparisons are measuring the wrong things. Here is how to judge project billing tools on deposits, milestone schedules, committed future revenue, and what happens to your records the month you stop paying.
09 Sept 2026 · 18 min read
One field decides it, and it is not the one most people think. A practical guide to place of supply for services, why exports are different, and the mistakes that cost the most to unwind.
23 Aug 2026 · 3 min read
Most unpaid invoices are not refusals, they are stuck in somebody's approval queue. A sequence that escalates in stages, asks for one specific thing each time, and never threatens.
09 Aug 2026 · 4 min read