It sounds like you have a good plan for assembling the piece of furniture. Here are a few additional tips to consider:

When making the dados for the legs and middle shelf, it's important to be precise with your measurements and cuts to ensure a tight fit. Consider using a jig or template to ensure consistency.

Before mounting the top to the legs, make sure to pre-drill pilot holes to prevent splitting the wood. It's also a good idea to use wood glue in addition to screws for added stability.

When flipping the piece to mount the base to the legs, consider using clamps or weights to hold the legs in place while you attach the base. This will ensure a secure and even attachment.

After assembling the piece, consider sanding and finishing it with a protective coating to enhance its durability and appearance.

Overall, it sounds like you have a good plan for track the piece, and with careful attention to detail, it should come together nicely.