Seller Toolkit USA: Profit, Tax & Shipping Estimator

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Seller Toolkit — USA

Mobile-first toolkit for USA sellers

Version 1.0

Quickly calculate final price, profit and margin.

Cost (USD)

Markup %

Shipping Cost (USD)

Platform Fee %

Find combined sales tax rate (simple estimator).

State (2-letter, e.g. CA)

Amount (USD)

Simple shipping estimator — enter weight (lbs) and choose speed.

Weight (lbs)

Speed Ground 2-Day Overnight

Create a promotional coupon text.

Coupon Prefix (short)

Discount %

Create a short link (local storage only).

Long URL

Public tool • Indexed • For US sellers

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