...problems with tide calculations, which control my fishing, not to mention my winter beach driving. For a while I had a saved search that ran on a university server, but that system is more down than up, and is only useful for resetting my two tide...

...bargain-hunting Amazon for specific items. Use price comparison tools to find the item at a steep discount. Set up saved searches on eBay and check them regularly. Check out retailers and see what their offerings are like. The important part...