Perform Initial Batch Cut

What happens here

Once the first board is marked, carefully stack two or three additional boards directly on top of it. Ensure that all the boards are perfectly aligned at one end (the straight reference end) and that the marked board is visible on top. Secure the stack if necessary to prevent movement during the cut. Using a circular saw, carefully cut through all the stacked boards along the marked line. This yields multiple pieces of identical length in a single cutting operation.

Goal: Stack multiple boards neatly, aligning one end, and then cut through them simultaneously at the marked line using a circular saw.