Well that's the million dollar question...both of them. Possibly the least expensive way to get started is to buy a set of stones from someone who is liquidating or making room for others. That is assuming they are a good price and not damaged or worn out. Another option is to buy a set like the Taieda Proyan Glass set.from Amazon or other sellers. They have a whole line that is pretty affordable. There's a running thread on those here. I would check that out as well as some general honing threads and some videos.from reputable people here, NOT just any shmo on YouTube.
As far as whether it is relatively easy. It is not the hardest thing in the world but it's also not the easiest. There is a definite set of techniques to it and that takes some instruction and some time to learn. Perhaps someone near can help you. Or you could do a zoom or Skype session with someone skilled. First thing though is getting some hones, otherwise the instruction won't help.
