Good quality at Decathlon at a good price, how cheap do you want? The best thing is the 2 year warranty, and they don't try to fight when you take something back
Usually you register with your passport (or copy perhaps) then you get a hospital ID card and you use that going forward, BPH as an example have said they don't accept that anymore
You need to know where to go, if you hang about beach road or 2nd road before Pattaya Tai you'll see hundreds of Indians who walk in the road and have no walking etiquette