Walmart offers the First Alert Combination Waterproof Bolt-Down Fire Safe, model no. 2087F-BD, for $105 with free shipping. That's tied with our mention from two weeks ago and the lowest total price we could find by $25. It features 1-hour fire resistance at up to 1,700°F, is waterproof, and features four live locking bolts. It measures approximately 18" x 15" x 20".

Update: It's now available for in-store pickup only.