Trays certainly are the cheapest; however, you run the risk of scratching you negatives. Furthermore, my skin gets irritated by keeping my hands in the chemicals for a long time. Tanks also work quite well. The best I have seen is the HP Combi tank. A Jobo is also an option; however, they are expensive. Furthermore, with more moving parts they are more likely to break. My ATL is again non-functional. Thus, I would suggest that you try tubes. You can purchase the BTZS setup for not much more than a combi tank; or, you could build your own for a few bucks at the local hardware store. Tubes are not truly a daylight process. They require darkness for loading; however, you could use a changing bag easily enough. After that you just need dim room light.