Ethan, if you sincerely don’t know where to start, please, forgive our kids. They are bright and feisty bunch!
Please, tell us more about your situation, and everybody who already commented on this thread will be more than happy to help you to get started, and solve any specific problems that you may encounter while designing and building your robot. They are great at it!
However, on the remote chance that you were trolling then, yes, I agree with @Illyana - based on the only part list and skill level information I’ve seen in this thread @Codec’s DR4B Extending Reverse Stacker (V2) design seems to be perfect fit for you.
But, assuming you are serious, I would start by looking at the examples of the proven tray designs that many teams are adopting this season:
Please, don’t hesitate to come back to VEX Forum to ask those specific design questions you may have.