---
title: "SaaS articles - The Zeroic Journal"
description: "Multi-tenancy, auth, billing, onboarding, embedded analytics - the specific decisions that separate a SaaS that scales from one that stalls."
url: https://zeroic.in/blog/topic/saas
---

[The Zeroic Journal](https://zeroic.in/blog)

# The SaaS notes

SaaS · 3 pieces

Multi-tenancy, auth, billing, embedded dashboards, onboarding, and the specific structural decisions that separate a SaaS product that scales from one that stalls at 200 customers.

[ Best tools

## [Best carbon accounting software for real estate (2026)](https://zeroic.in/blog/best-carbon-accounting-software-real-estate)

Nine platforms that track Scope 1-3 emissions and ESG data for property portfolios, market by market, and when building your own makes sense.

Prashant Abbi Oct 17, 2026 · 9 tools

## [Supabase vs Firebase for SaaS: cost at 1k, 10k and 100k users](https://zeroic.in/blog/supabase-vs-firebase-cost)

Firebase is cheaper while you're small. Past 10,000 users, per-read billing and auth fees flip it, and leaving Firestore costs far more than leaving Postgres.

Prashant Abbi Oct 13, 2026 · 6 min read

[ Best tools

## [Best supply chain finance platforms (2026)](https://zeroic.in/blog/best-supply-chain-finance-platforms)

Eleven platforms that pay suppliers early on approved invoices, market by market, including India's TReDS exchanges, and when building your own makes sense.

Prashant Abbi Oct 10, 2026 · 11 tools

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