CentiPlain
Free educational tools

Make smarter money decisions with clear explanations and free tools.

Simple financial education, practical calculators and useful guides — without the jargon.

  • ✓ No jargon
  • ✓ Genuinely free
  • ✓ Honest estimates

For beginners

Start here

Short, friendly guides that give you a working framework — not a lecture.

Budgeting

How to Make a Budget in 15 Minutes

A genuinely simple, five-step budget that takes a quarter of an hour and doesn't require spreadsheets, apps or guilt.

· 3 min read

Saving

What Is a Good Savings Rate?

Numbers like 10%, 15% and 20% get thrown around a lot. Here's what they actually mean, where they come from, and how to pick a target that fits your life.

· 3 min read

Saving

How Much Should You Save Each Month?

A practical framework for choosing a monthly savings amount: debt, emergency fund, the 10–20% range, and why 'wrong but started' beats 'perfect but stalled'.

· 3 min read

Saving

How to Build an Emergency Fund

The step-by-step guide to building an emergency fund: what it's for, how much you need, where to keep it, and how to get there without wrecking your budget.

· 3 min read

Fresh from the library

Latest articles

New guides, written in plain English and updated regularly.

Browse all categories

Online Business

Realistic Low-Cost Online Business Ideas

Honest, low-capital online business models that actually exist — with the real workload timeline, the real costs, and the ones to avoid.

· 3 min read

Side Income

How to Start Freelancing With No Experience

A realistic, step-by-step path from zero experience to first paying client: the skill triangle, the no-experience lever, and the pricing mistakes beginners make.

· 3 min read

Side Income

Passive Income: What’s Actually Realistic?

A myth-busting look at passive income: which methods genuinely build, which are unpaid work in disguise, and the honest math of getting there.

· 3 min read

Crypto

How to Spot a Crypto Scam

The 8 warning signs of crypto scams, real examples of how they work, and a decision checklist that will keep most people out of trouble.

· 3 min read

Crypto

What Is Bitcoin? (The Honest Basics)

A calm, jargon-free introduction: what Bitcoin is, how the technology works at a roof level, what it's actually for, and the risks nobody puts in the ads.

· 3 min read

Investing

Why Diversification Matters

The investing concept that separates grown-up portfolios from gambles: what diversification is, why it protects you, and the one line you shouldn't cross.

· 3 min read

Why you can trust us

A straightforward approach to money education

We have no products to sell you and no agenda other than helping you make sense of personal finance.

Educational content

Every page exists to explain money honestly. We aim for clear, accurate, sourceable information you can act on calmly — never hype.

How we research

We draw on well-known financial principles, public data and reputable sources, and we clearly label estimates, hypotheticals and opinions. See our methodology. Read more

Honest calculators

Our tools show exactly what they calculate, how, and what they leave out. No dark patterns, no fake results, no hiding the assumptions.

How we make money

This site may earn revenue from display advertising and, later, carefully disclosed affiliate links. That never changes the content or our recommendations.