I have been looking at hone reviews here, on Amazon, and other places and am totally confused. I see some hones that lubricate with oil, some with water (wetstones, slurry), some that need shaping, 250 grit, and I believe 4000 grit. My head is spinning

What would you guys recommend for a beginner's first hone? I have a few antique store razors that I am playing with and I have one that my barber put into shape for me and I need to keep it that way.

I actually bought an antique hone at a dealer, it's about 2" wide and about 5 - 6" long. It 'seems' smooth with no irregularities (at least to the untrained novice). Would something like this be sufficient? I have no clue what grit it is. Would I use oil on it, and if so, what kind?

I'm on a bit of a budget (like everyone) and really have no idea what I should expect price wise. I've seen some hones at over $100 and some as low as $20. Is there really a decent $20 hone out there?

Any suggestions are appreciated.