Wealth Foundations
Find a guide for account choices, IRA rules, investment taxes, and the costs that affect long-term returns.
About this section and its research approachResearch Library
Latest Wealth Foundations Guides
Investing basics, account strategy, portfolio construction, fees, taxes, and long-term decision rules.
Jul 27, 2025
Stocks vs Real Estate: A $100K 10-Year Comparison
π Originally Published: March 16, 2026 Β· Last Updated: October 21, 2026 Match every extra cash contribution and the sale costs on the same dates. The large ending values areβ¦
Read the analysis βJul 7, 2025
Compound Interest: 4 Numbers That Expose Hidden Costs
One compound interest calculation can give four different answers. Compare the balance, fees and real buying power with the interactive calculator.
Read the analysis βJul 1, 2025
How to Protect Savings From Inflation Without Locking Up Emergency Cash
Updated: October 18, 2026 Β· Dated example and source context Need date first: Keep immediately needed cash accessible. Compare after-tax returns only among products that can meet the same deadline.β¦
Read the analysis βAbout this section and its research approach
Wealth FoundationsBuild the System Before You Pick the Assets
Long-term wealth is usually won or lost in the setup.
We break down investing basics, account rules, fees, taxes, allocation, and the behavioral decisions that compound for decades.
Primary Sources
Long-Term Math
Practical Decisions
The Foundation
How We Build Stronger Wealth Foundations
Good investing starts before a ticker enters the conversation. These guides focus on the account structure, costs, risk capacity, and repeatable rules that determine whether a sensible plan survives real life.
01 Β· Plan
What job does this money need to do?
We start with goals, time horizon, liquidity, and risk capacity so the portfolio is built around a real obligation rather than a generic return target.
02 Β· Friction
What quietly reduces the return?
We trace fees, taxes, account restrictions, trading costs, and default settings that look small in one year but become large over a full investing lifetime.
03 Β· Behavior
Can the plan survive a bad market?
We favor rules that remain usable during volatility, when a mathematically sound portfolio is most likely to be abandoned or changed at the wrong time.
Educational guides for building an investing system, not personalized investment, tax, or legal advice.