The 150 hp AA-5 should do fine in the flatlands. In Alberta near the foothills, I have a vivid memory of the gophers beyond the end of the runway diving into their holes as I did a goaround with full rich
The long range tanks are handy, but you do have to adjust the approach speed at the end of a long flight or find a long runway to work things out. That's one way for people to land the thing on the nosewheel
If you do self-insure the hull, you might want to consider ground risk coverage -- hangar collapses / fires, floods, a hand prop runaway...