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Fanttik Innovation Direct via Amazon [amazon.com] has Fanttik D2 Pocket Self-Leveling Cross Line Green Laser Level for $39.99 – $12.01 when you apply promo code EP7ZLY2C on the checkout page = $27.98.
Shipping is free.

Price
$21.99 lower (44% savings) than the list price of $49.97
$19.49 lower (41% savings) than the previous price of $47.47