"Your teak looks great, why are you sanding?" Because the secret to keeping varnish looking great is never to wait until it looks like it needs attention! And no, it's not more work than Cetol, we've done both. More here ... commuterCRUISER.com
We live over on solar power and did on our previous boat, too. It& fairly easy on nice days in the middle of summer, but we do okay even on partially cloudy short winter days with just a little extra effort.
Really like the dbl-side with stove at the end-kinda thing. Boat Galley- Keep things put away in cupboards, pouches or bags so they don't go flying if a wave comes along unexpectedly. This also makes things easy to find.