Tutorials, tear-downs, and honest notes from a one-person studio. New posts land in the newsletter first — no fluff, just what's actually working.
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Walkthroughs, breakdowns, and free versions of every product in the Tynkr Tools & Co catalog.
Build a working solopreneur tracking system in 30 minutes using free Lite templates. No subscriptions, no email gates, no SaaS lock-in.
Two tabs from the full Home Buying & Mortgage Workbook — affordability and down payment — free for Excel and Google Sheets. Real math, no lead capture.
A real working budget spreadsheet you can use this month — not a demo, not a trial. Twelve months plus a Control Panel, formatted and ready.
Five working Lite Notion systems for creators — content, business, finance, launch, and product. Available on Etsy, Notion Marketplace, no signup wall.
Most mortgage spreadsheets stop at the monthly payment. This one covers affordability, loan comparison, closing costs, rent vs. buy, and 30-year projections in one 15-tab Excel and Google Sheets workbook.
Monthly budgets answer one question. A financial system answers all of them. Here's what a 23-tab budget workbook looks like when your Control Panel, dashboard, net worth, debt payoff, and 50/30/20 analyzer all connect.
Most creators don't have a content problem — they have a systems problem. Here's what a complete Notion content OS actually looks like, module by module.
Your CRM shouldn't charge you monthly. Here's a full business OS — contacts, leads, deals, deliverables, invoices — built for solo creators in Notion.
Spreadsheets die. Bookkeepers are expensive. Here's the full finance OS — revenue, expenses, budgets, goals, debt, and tax estimates — built for solo creators.
Launches fail at the coordination level, not the marketing level. Here's the full launch OS — Command Center, tasks, assets, promo content — built for solo creators.
Ten products across five platforms is not manageable in your head. Here's the full product OS — catalog, files, listings, bundles, versions, and support — built for digital sellers.
Five connected workspaces — Content, Business, Finance, Launches, Products — in one unified bundle. The full operating system for solo creators who are done juggling scattered tools.
Concepts, philosophy, and how-to writing on Notion, spreadsheets, and building lean creator businesses.
A Lite version is not a trial, a demo, or crippleware. The four kinds of "free" — and why only one of them actually earns the name.
Most annual content plans fail in February. Here's a capacity-honest framework for planning a year of content that actually finishes.
The $5K plateau isn't audience size or pricing. It's running a hobby with a Stripe account. Here's the operator transition that breaks the ceiling.
The standard launch playbook assumes you have an audience. Here's how to actually launch when you don't.
The 50/30/20 rule was built for 2005 economics. Here's why it doesn't fit 2026 households and what frameworks work better now.
Lender approval and life affordability are two different numbers. Here's the honest math behind what a house actually costs to live in.
Most budgets break on annual expenses, not daily ones. Here's the sinking funds method, the math, and how to actually track them in a spreadsheet.
The zero-based method, the formulas that make it work, and the step-by-step Excel build — plus why it breaks without the right architecture.
Most first-time homebuyer mistakes aren't mistakes of discipline — they're mistakes of incomplete math. The five calculations buyers skip before signing.
Software utilities, side builds, and hobby projects shipped under Built by Josh Studio LLC.
Professional baker's percentages for bread, pizza, pasta, and noodles — 11 flour types across 4 chemical groups, 6 traditional style presets, with four edge-case protocols most online hydration tools miss: absorbency interceptor, unleavened noodle logic, ramen kansui transformer, and a fresh-pasta egg conversion matrix.
Safe thawing timelines built on real protein-specific thermal math — not the same flat "24 hours per 5 pounds" for every cut. With built-in food safety guardrails: the 6-hour danger-zone intercept, the vacuum-sealed seafood / botulism warning, and the drip-pan prompt.
Calculate precise salt, water, and sugar ratios for wet and dry meat brining, factoring in protein weight and salt density. Salt-type density handled, brining time included, no signup.
Homemade broth is cheaper than the cheapest boxed broth and tastes better than the most expensive. Roast bones (don't par-boil), double-strain, fridge-skim, and reduce a quart into demi-glace cubes for the freezer.
The fourth free, local-first kitchen utility — pick the meat, the cut size, and your target doneness, and it returns the exact temperature to pull from the heat. Hardcoded carryover logic for the cuts the internet ruins: brisket, duck breast, venison, and delicate fish.
The third free, local-first kitchen utility — pick the pan a recipe calls for, pick the pan you own, get the exact ingredient multiplier (square, rectangle, round, muffin tin, Bundt) plus a dynamic bake-time depth warning.
Unless you own a restaurant, cook the way you want to cook. The only rules worth following are food safety and a few real technique rules — and a small set of techniques that are actually physical laws. Everything else is yours.
Seven ingredients I always have, a Sunday batch of homemade chicken broth that powers five different dinners through the week, and the honest tired-night fallbacks (fried bologna, scrambled eggs).
The second free, local-first cooking utility — enter the protein, weight, and target dinner time and it outputs the entire backward schedule. Plus an honest writeup of why modeling cooking time is four engineering problems, not one multiplication.
A walkthrough of phở bò using a two-day stock-first method. Carrots in the broth, sautéed spinach in the bowl, Squid brand fish sauce, and the one-day version when you don't have two.
Twenty-five years of cooking jasmine rice in a rice cooker without ever owning a measuring cup. The finger method, the rinse, why it works, and the broader principle that the more you cook, the less you measure.
Growing up in a Vietnamese-American kitchen, the first dish I made on my own at twelve, why I still cook gỏi cuốn on weeknights and phở when it matters — and the recipe scaler I built for everyone who learned differently.
A free, instant recipe scaler — vanilla HTML/CSS/JS, no backend, browser localStorage. The regex problem nobody mentions, scale-lock for temperatures, and the glassmorphism UI.
Free browser tools — no signup, no email, no ads. They run on your device and stay free.