There are Super Wal-Marts in both Cassville, MO and Berryville, AR, each about 18 miles away. Each is open 24/7.
From Lazy Eagle Resort:
Cassville: Right out of driveway onto MO 86. Left onto Hwy. F. Right onto MO 112. Left onto Main Street/Bus. 37 in Cassville. Right onto MO 37 North. Left at the next light. On the right about .2 mile after this turn.
Berryville: Left out of driveway onto MO. 86. Right onto Hwy. H (becomes AR 143 in abut a half mile -- just stay with it and do believe those low-speed-limit signs on the sharp turns). Left on US 62 East. On the right about a mile and a half after this turn.