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The Homemade vs Store-Bought Calculator answers the practical question: "Is it cheaper to make X at home?" for common food categories like bread, pasta, yogurt, granola, salsa, pizza dough, hummus, and kombucha. The calculation factors in raw ingredient cost, batch yield, your time investment, and the value of your time. Some items (bread, pasta, granola) are dramatically cheaper homemade; others (yogurt, kombucha) reach near-break-even after factoring time cost.

공식

Homemade Total Cost = Ingredient Cost/Batch / Yield + (Time Min/60 × Hourly Value) / Yield

IC: Ingredient Cost (currency/batch) — Total cost of ingredients for one batch
BY: Batch Yield (units) — How many servings/units one batch produces

단계별 가이드

1Select the food category (bread, pasta, yogurt, granola, salsa, pizza dough, hummus, kombucha)
2Enter total ingredient cost per batch (sum of flour, water, yeast, salt for bread, for example)
3Enter batch yield (e.g., 1 loaf, 4 servings of pasta, 1 quart yogurt)
4Enter store equivalent price and package yield
5Enter active time in minutes (excluding passive rising/baking)
6Enter your hourly value to monetize time investment
7Set weekly consumption frequency to project annual savings
8Calculator computes per-unit cost both ways and annual savings

풀어진 예시

입력

Bread: $1.50/batch ingredients, 1 loaf, $4.50 store loaf, 30 min, $25/hr, 2 loaves/week

결과

Homemade $14/loaf with time, $4.50 store — homemade barely wins financially

입력

Granola: $5/batch (oats, nuts, honey), 8 cups, $7.99 store (4 cups), 15 min, $25/hr, 4 cups/week

결과

Homemade $0.63 + $0.78 time = $1.41/cup vs $2/cup store — saves $61/year

입력

Yogurt: $4 milk + culture, 1 quart, $5.99 store quart, 10 min active + 12 hr incubation

결과

Homemade ~$4.20 vs $5.99 store, saves $93/year if 1 qt/week

피해야 할 일반적인 실수

✕Counting only ingredient cost — time matters for high-frequency items; bread 2× weekly is 100+ hours/year
✕Underestimating bulk savings — homemade typically wins on bulk staples (flour, oats, milk) but loses on specialty ingredients
✕Ignoring equipment costs — sourdough requires a banneton, scoring lame, dutch oven; first-time setup can be $50–150
✕Missing the quality/satisfaction dimension — homemade fresh bread tastes better than store-bought even when not cheaper

자주 묻는 질문

Which foods are most worth making at home?

Highest ROI: granola, yogurt, pizza dough, salsa, bread, hummus — typically 50–70% cheaper than store-bought. Lowest ROI: pasta (cheap to buy, time-intensive to make), kombucha (specialty store price already competitive with home brew costs).

Should I count my time as a cost?

Depends on context. If cooking is leisure (you enjoy it), don't count time — the activity has intrinsic value. If cooking is work (you'd rather do something else), count time at your hourly value. Most people fall in between for different items.

How do I factor in equipment costs?

Spread equipment cost across expected lifetime use. A $100 stand mixer used weekly for 5 years = $0.38/use. Add this to ingredient cost when comparing. One-time tools (banneton, baking steel) become essentially free at 100+ uses.

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