Just bring credit cards or use Apple Pay; we never had need for Islandic Kroners.

Spend a couple of days in Reykjavik; there are lots of things to do and it allows you to adjust to the five hour time difference from Central Time Zone in US.

Find the kiosk for the Flybus at the airport near the 10-11 store, and spend about $43 dollars for a bus ticket to Reykjavik rather than take a taxi which will cost a lot more. They will help you transfer busses to get to your hotel.

Rather than pay to have and park a rental car in Reykjavik, wait until you are ready to start your tour along Route 1 to get the car. A short taxi ride to Hertz was easy to get.

Reykjavik is very walkable with sidewalks everywhere, even along busy roads. We did see that tractors are not always welcome, sorry Robert. (One of our taxi drivers mentioned that Reykjavik school children all walk to school, no buses, so no snow-days off.)

Get a Trawire portable WiFi; they are smaller than a cell phone and we could connect several devices to it for $10/day. Everything just stayed in airplane mode without using an international data plan which would have been more expensive for both of us. We picked it up at the 10-11 store after getting our luggage on Day 1, and we dropped it off in its pre-stamped box in a mailbox near the bakery inside the airport mall area on Day 12.

Bring refillable water bottles. The tap water in Iceland is very pure glacier water, tastes great, and comes out very cold at every sink.

Use “takk” (tah-k) or “takk takk” for thank you; it makes Icelanders smile.