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Practical guides, how-tos and comparisons to get the most out of our free online tools.

May 8, 2026
Explainer · Finance

The Two Clocks of a Like-Kind Exchange: 45 Days, 180 Days, and What Boot Costs

Sell at $700,000 with a $300,000 basis and the gain is $400,000. Buy back at $640,000 and the $60,000 you kept is boot — taxed now, at 25 percent, because it is depreciation coming home. The 45 and 180 days start on the same day; they do not run one after the other.

Camille Laurent · 15 min read

How-to · Property

What Wire Gauge Do I Need?

Pick wire size from the load current, run length, and allowed voltage drop — the amps decide the minimum cross-section, distance forces you thicker.

Marco Bianchi · 5 min read

Explainer · Property

Is a Mortgage Overpayment Worth It?

See how overpaying a mortgage cuts total interest and shortens the term, and when investing the same money might beat paying the loan down faster.

Camille Laurent · 4 min read

May 7, 2026
May 6, 2026
Explainer · Everyday

How Much Chocolate Is Toxic to Dogs? Dose by Type and Body Weight

Call a vet first, then read this. Toxicity depends on the theobromine dose in milligrams per kilogram of dog: dark chocolate is nearly three times worse than milk chocolate by weight, baking chocolate seven times and dry cocoa powder thirteen times. Here is the table by type and dog weight.

Marco Bianchi · 6 min read

How-to · Property

What Size Water Heater Do I Need?

Match tank size to household size and peak-hour demand: roughly 40–50 gallons for two people, more as bathrooms and simultaneous use grow.

Marco Bianchi · 5 min read

How-to · Everyday

How Much Ground Coffee Per Cup? The Golden Ratio

The golden ratio for coffee is about 1:16 by weight — roughly 1 tablespoon of grounds per 6 oz cup. Learn how to measure coffee in grams and tablespoons for a balanced brew.

Marco Bianchi · 4 min read

Explainer · Health

How Much Sugar Per Day Is Healthy?

The WHO limit on free sugars, how to turn a percentage of calories into grams, and where hidden sugar comes from — with practical daily targets.

Sofia Nunes · 3 min read

May 5, 2026
Comparison · Finance

VAT Rates in Europe Compared: Standard, Reduced and Zero

Standard rates run from 17 percent in Luxembourg to 23 percent in Ireland and Portugal, with Switzerland outside the EU at 8.1 percent. The full table, with reduced and zero rates and an honest as-of date.

Camille Laurent · 7 min read

How-to · Property

How Much Do I Need to Save to Buy a House?

Add the down payment to closing and moving costs to get a real savings target, then work out the monthly amount that reaches it by your deadline.

Camille Laurent · 4 min read