I guess I'm just a heretic in some ways.
I have cheap knives and expensive knives in my collection, yet I find that it's the cheap knives that I tend to use the most.
A while back I found an interesting cheap knife that's become an EDC, and it works very well. The below image is my exact knife, except that it doesn't have the Dakota logo:
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For less than $25.00, I have a small flashlight, bottle opener, seatbelt cutter, car window breaker, blade, and firestarter.
I've carried this thing for almost 18 months, and have used it incessantly. The blade lock seems to work well, the light--although very small--is bright enough to find objects that dropped under furniture, to check someone's pupils, and to see hidden places when looking under the hood in my car engine. The light is held into the top of the knife with a magnet, and the ferroceramic flint just snaps in and out.
I like the window-breaking feature, as I've worked in EMS and have seen the aftermath of many cars going into canals. Florida has many, many canals and waterways, so it seems prudent to always have a window-breaker on hand whenever I'm in a vehicle (you strike the corner of a car window or windshield when you need to exit a vehicle in an emergency. Just make damn sure you turn your face away from the window when you do this to protect your eyes.).
If you see the way the bottle opener on the blade is situated . . . then you might agree with me that this is a possible design flaw. Using the bottle opener this way seems like it could cause the blade to close on your fingers if the lock malfunctioned. My only answer to this is to be careful if you use it this way, but I'm still doubtful as a lot of people may use this to open beer bottles and--if drunk--may hurt themselves.
Oddly enough, the blade has held an excellent edge despite me using it all the time.
These things are available in any Walmart, and can be ordered online.