The Blog

Understand the decision,
not just the answer.

Each post explains the concepts behind a financial decision — so you can use the Tools more effectively and understand why the math works the way it does.

Cash & Savings
Cash & Savings 8 min read

Where should you keep your cash right now?

Most people default to a checking or savings account — but that's often the least efficient option. Where you store your cash can mean earning almost nothing, or earning 3–4% with almost no additional risk.

Read post → Tool available
Cash & Savings 5 min read

How much should you keep in savings?

The "3–6 months of expenses" rule is a starting point, not a destination. Here's how to calculate the right emergency fund for your specific situation.

Read post → Mini-tool
Debt & Credit
Debt & Credit 4 min read

Debt snowball vs avalanche: which should you use?

Two of the most common payoff methods are the Snowball and Avalanche strategies. Both work — the difference is how they build momentum, financially and psychologically.

Read post → Tool available
Debt & Credit 7 min read

How to use a credit card without paying interest

Used correctly, a credit card costs you nothing. Here's the simple system that keeps your balance at zero every month.

Read post → Tool available
Debt & Credit Coming soon

Should you transfer a credit card balance?

A 0% balance transfer offer can save hundreds — or cost you if you're not careful. Here's how to do the math and decide if it's worth it.

Coming soon
Big Decisions
Big Decisions Coming soon

Renting or buying — how to actually decide

The "rent is throwing money away" argument is wrong. So is "buying is always better." Here's a cleaner framework for making this decision based on your specific situation.

Coming soon
Big Decisions Coming soon

Lease or buy a car — a clear breakdown

Dealers love leases because the math favors them. Here's how to compare the real total cost of leasing vs. buying over any time horizon.

Coming soon
Retirement & Taxes
Retirement & Taxes Coming soon

Roth vs 401k — which one should you prioritize?

It depends on your current tax rate vs. your expected future rate. Here's how to think through it without needing a financial advisor.

Coming soon
Insurance
Insurance Coming soon

How to choose the right medical plan

HSA-eligible plans often win on paper — but not always. Here's how to estimate your real annual cost under each option before open enrollment closes.

Coming soon

Our philosophy

How to make a financial decision

Define the goal. Understand the tradeoffs. Quantify the impact. Decide and move forward. This is the framework behind every Tool on this site.

Read the philosophy →