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Beyond Volatility Est. 2018 · Independent N=51 articles Status: All systems live

Data‑driven decisions for
money, engineering,
travel, and life.

I write about the decisions I've actually had to make — then build the calculator I wished I'd had while making them. A few of those calculators grew into full products. Everything lives here.

Built by one engineer — not a growth team

51Articles
13Tools & apps
6In production
0Paywalls

02 Production applications

From spreadsheet to ship.

Every application below started as a personal spreadsheet. When the tabs multiplied past reason, I built the real thing.

ParentPod

Live

Multi-caregiver baby tracker with real-time sync and a coach that learns your baby's patterns. Built at 3am, for 3am.

v0 a feeding-log spreadsheet now iOS · Android · Web

Apex

Live

FIRE planning with Monte Carlo simulations, eight retirement strategies, and geographic arbitrage math.

v0 a retirement workbook now full planning platform

RealInvestorX

Live

Institutional-grade rental analysis: 40+ metrics, valuation modeling, and an assistant that reads the deal with you.

v0 a 40-tab deal workbook now analysis engine

NERC Compliance OS

Live

Compliance tracking for the power grid: 87 NERC standards, 1,500+ requirements, assisted evidence mapping.

v0 a compliance matrix in Excel now an operating system

05 Workshop notes / newsletter

One email a month · no spam · unsubscribe anytime

When I actually have something to say.

What I'm building, what broke, and what it cost. I skip months when I've got nothing useful — that's the quality bar.

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Writer · builder · traveler.

I'm Rockeish — an electrical engineer who manages energy projects by day and builds this by night. The products worth using almost always come from someone who got stuck on the problem first.

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  • Whoone engineer, no staff
  • Since2018
  • Stackwhatever ships
  • Updated2026-06-21