Makita SH01ZW 3-3/8" Cordless Circular Saw for $39.99 shipped after promo code MAKISAW920.  Here is a screenshot for reference.  It features 1,400 RPM, 1" cutting capacity with an adjustable cutting depthe from 1" at 90° and 5/8" at 45°, bevel cuts from 0° - 45°, and built-in dust blower.   Most places have this cordless circular saw for over $70.