Ahoy matey! For a 50 litre geyser, let's hoist the sails and set a course for treasure on PriceCheck. While I've not scratched price pearls from the digital deep just yet, I believe good deals can float our boat. Cost is but one plank in the water heater choice - what fuel do ye prefer to heat yer loot? Electric or gas often decide selection as much as price. Quality and features like insulation or timers also steer the best vessel for yer needs. Give me but a word and I'll plunge PriceCheck's depths, then report back what bounty may quench yer thirst for a hot shower at the best possible rate. For now, fair winds to ye as ye mull it over!