Rule of 72 Calculator With Monthly Contributions: The Formula Most Investors Get Wrong
The Rule of 72 assumes a lump sum. Add monthly contributions and the math changes fast. See worked examples at 4%, 7%, 10% and run your own numbers.
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Category: Investment Education
22 posts in this category
How Much Do You Need to Invest Each Month to Reach $1 Million?
See how much you need to invest each month to reach $1 million, with examples for savings accounts, ETFs, age, taxes and real stocks.
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Which LLM Is the Best for Financial Advice and Financial Analysis in 2026?
A clear 2026 guide to the best LLMs for financial analysis, financial advice, stock research, Ollama setups and safer money decisions.
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Housing FOMO in 2026: Buy or Invest Your Down Payment?
Lower rates are tempting buyers back into the Canadian housing market, but affordability is still tight. That makes the real 2026 question less emotional and more mathematical: buy now, or invest the down payment instead?
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What If You Maxed Out Your TFSA Every Year Since 2009?
The TFSA looks boring until the math gets large. For Canadians eligible since 2009, steady annual contributions turned a simple tax shelter into a major compounding engine by 2026.
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What $1,000 Invested Every Year Since Age 18 Would Be Worth Today
Many young adults do not consider the option to invest until they are 18, because they are more concerned with their schooling, their first job, or simply figuring out what they wi
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Investing at 20 vs. 30 vs. 40: The Real Cost of Waiting, With Actual Numbers
You might think that starting to invest can wait until later, after you've paid for things like rent, student loans, new tires for your car, and many more. However, every time you
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The Latte Factor Is Real: 5 Everyday Spending Habits and Their 30-Year Investment Value
The 'latte factor' has been a common debate among many financial scholars. While critics claim that it is condescending as it implies that any financial difficulty is due to purcha
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Fear of Missing Out (FOMO) Between Renting or Buying: What if You Used That Money to Invest Instead?
Homeownership versus renting creates lots of different opinions for financial reasons. Most homeowners believe they have more equity in their homes as opposed to throwing away mone
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Opportunity Cost: Every Dollar You Spend Is a Dollar You Are Not Investing
The term "opportunity cost" refers to the value of what you give up when you make a decision to buy something else. For example, if you spend $200 on a jacket, your opportunity cos
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The Rule of 72 Explained: How Fast Will Your Money Double?
A human-friendly explanation of the Rule of 72, including how it works, where it is accurate, and how to use it for investing, savings, inflation, and debt.
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Time Value of Money: Why $1,000 Today Is Worth More Than $1,000 Tomorrow
Time value of money explained with clear present-value and future-value examples for everyday investing decisions.
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The Dot-Com Crash Playbook: Survivor Bias, Regret, and What the Bubble Actually Teaches Investors
Everyone remembers the winners. Amazon. eBay. Google. The companies that survived the late-1990s internet boom are so familiar today that the era can look inevitable in hindsight.
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The Rollercoaster of Oil and the Danger of FOMO
Investing in oil at an all-time high can induce an overwhelming amount of FOMO or 'fear of missing out'. Crude oil prices have risen to record highs, exceeding $100 or more per bar
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Shiny Traps and Missed Opportunities: Gold, Silver, and Copper
How gold, silver, and copper narratives trigger FOMO, and how to evaluate metals exposure without chasing headlines.
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War & Your Wallet (2026): How Global Conflicts Move Oil, Gold, and Food Prices
Wars take place in different locations, and the financial consequences of those conflicts are not always contained to just that geographic area.
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The Canadian First-Home Stack (2026): FHSA + RRSP Home Buyers' Plan + TFSA, Step by Step
Purchasing a home in Canada for the first time is not as simple as simply picking a house and moving into it, there are a number of different factors to consider when you are purch
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Canadian Tax Return Optimizer (2025 Filing Season in 2026): 12 Moves That Actually Save Money
It's well known that very few people look forward to paying their taxes, but if you're a Canadian filing a 2025 tax return in 2026, there are completely legitimate and legal ways t
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Mortgage Renewal Playbook for Canadians (2026): Avoid Payment Shock and Keep Your Options Open
If you have a mortgage that will need to be renewed in 2026, you're part of a significant number of Canadians in the same boat who will also be renewing at the same time. Many of t
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Oil's Wild Decades: From the 2014 Crash to the 2022 Spike (Brent vs WTI)
If you were paying attention to the oil markets from 2014-2022, you'd remember that prices dropped over 50%, occasionally went below $0, and then increased by more than 300%, all i
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The 2008 Financial Crisis: What a $1,000 Investment Would Have Felt Like Living Through It
Read all the 2008 financial crisis narratives, and you'll see a drastic contrast between reading those and having lived through the pain of being an investor in 2008. Reading the h
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The 1970s Inflation Shock: Why Gold Became the Household Hedge
Many people today have never seen inflation radically change their lives. It is difficult to deal with inflation increases of 2% to 5% in one year, but when prices rise 10%, 12% or
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