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The notebook

Blog.
notes from real projects

Practical writing on Laravel, AI engineering, token costs, SaaS architecture, and the technology decisions that make software cheaper to run and easier to grow.

All AI & LLMs Cloud & DevOps Industry Insights Laravel & PHP Modernisation Performance & Scale SaaS & Product Security & Compliance
SaaS & Product 15 posts
26 Jun 2026 SaaS & Product Pricing AI Features in SaaS: Tokens, Credits, or Flat Fee? AI features run 50–60% gross margin against classic SaaS at 80–90%, so flat-fee pricing quietly loses money on power users. A decision matrix across flat, credits, hybrid and usage pricing. 21 Jun 2026 SaaS & Product Laravel SaaS Starter Kits: Buy, Build, or Strip One Down? An evaluation rubric for 2026 starter kits (auth, teams, billing, Filament panels included) versus a curated personal boilerplate: what a kit saves in week one and what it costs in month six... 18 Jun 2026 SaaS & Product How Long a SaaS MVP Really Takes in Laravel (With Cost Math) A week-by-week breakdown of a real MVP scope — auth, billing, one core workflow, admin, deploy — with hour estimates, the features that always blow the timeline, and what to cut first. Posit... 15 Jun 2026 SaaS & Product Laravel Cashier and Stripe for B2B SaaS: Billing, VAT, Seats The unglamorous 20% that consumes 80% of billing time: EU/Nordic VAT and reverse charge, per-seat proration, failed-payment dunning, and invoices Finnish accountants accept. A build order an... 12 Jun 2026 SaaS & Product Modular Monolith in Laravel: SaaS Scale Without Microservices A counter to the microservices reflex small SaaS teams have: module boundaries via domain folders, contracts, and events inside one deployable, plus the three concrete signals that justify e... 09 Jun 2026 SaaS & Product Laravel vs Next.js for SaaS: When PHP Is the Faster Bet An honest cost comparison: Cashier, Horizon, Sanctum, and Pennant out of the box versus assembling 8-12 npm packages — roughly 2-3 weeks vs 4-6 weeks to a billing-ready MVP — and the cases w... 06 Jun 2026 SaaS & Product Single Database vs Database-per-Tenant for Your Laravel SaaS A decision guide for founders, not a package tutorial: cost, migration pain, and the GDPR/data-residency questions Nordic and EU enterprise buyers actually ask in procurement. Advocates the... 04 Jun 2026 SaaS & Product Build vs Buy Software in 2026: AI Changed the Math Both Ways AI-assisted development made custom software dramatically cheaper to build — and SaaS products better at the same time. Here is the framework I use with clients to decide which way to go. 27 May 2026 SaaS & Product What an MVP Really Costs in 2026: Numbers From Real Projects Quotes for the same MVP idea range from €15k to €150k — and most of them are honest. The scope tiers, the AI surcharge and the hidden 20–35% that explain the spread. 28 Jan 2026 SaaS & Product Fixed Price vs Time and Materials: Which Protects You as a Client A developer explains the incentives behind each model — why fixed price inflates quotes with risk padding and punishes scope learning, when T&M with a capped milestone structure gives client... 22 Jan 2026 SaaS & Product How to Write a Software Project Brief That Gets Accurate Quotes From the receiving end: the missing details that make quotes vary 5x (users and roles, integrations, data migration, non-functional requirements), a copy-paste brief structure, and red flags... 19 Jan 2026 SaaS & Product The Real Cost of Running a SaaS After Launch: Year-One Numbers Founders budget the build and forget year one: hosting, monitoring, backups, dependency updates, support load, LLM inference that scales with users, and EU compliance overhead — itemised wit...