Getting toward the 1/2 mark in the Vestal Lunar challenge.
The Vestal Lunar subReddit is up and running and now has some posts with ideas that you might factor into your submission (or are just fun to read).
https://www.reddit.com/r/VestalLunar/
Japanese space agency to put Transformable Lunar Robot on the moon
Could We Live in Lava Tubes on the Moon? (Lava tubes could be a great destination for tourists)
Fission System to Power Exploration on the Moon's Surface and Beyond
Nissan tests all-wheel control system in JAXA lunar rover prototype
NASA - Camping on the Moon Will Be One Far Out Experience
Check out this working prototype lunar electric motorcycle for NASA's moon exploration