TLDR: probably not a good idea. Finding instruction will be very difficult, finding maintenance may be difficult, unless you are a small guy performance is very limited, and there are no shortcuts--you need a private pilot helicopter certificate.
Longer answer...
R44 owner/operator and commercial pilot, here
There are no shortcuts to becoming a rotary wing pilot. Not even if you are only looking to own a 162F. It is not an ultra-light, and there is no "light sport" rotary wing certificate. It's all or nothing, full-on private pilot helicopter or bust.
So you are looking at the standard FAA regulations, Part 61. 40 hours minimum total time, 30 hours minimum dual, etc., etc.
If you bought a Rotorway with the intention of getting instruction in it the odd's of finding an instructor and, later, a DPE to work with you on that are very, very low:
https://www.eaa.org/eaa/aircraft-building/intro-to-aircraft-building/frequently-asked-questions/flight-instruction-in-an-experimental-amateur-built-aircraftHowever, if you Google "rotorway flight training" you'll find there's some guy in Alabama that does it, and Rotorway supposedly reopened their school but you'd probably have to call them. In either case you are looking at relocating for a month or more to get it done.
And don't forget that since YOU didn't build it that means YOU can't do much more than an oil change on it unless you are a certified airframe and powerplant mechanic (A&P). So you'll have to find an A&P who is willing to work on it for you, and that can also be a problem. Hell, most FBO's won't even work on helicopters, many are expressly forbidden from doing so by their insurance coverage!
All the usual cost/time saving ideas apply when going for a private certificate. Most notably do your own studying for ground school and get that written test out of the way BEFORE starting flight training. And get the medical out of the way, too. Then you can just fly your brains out in the most efficient manner, study for the checkride, and be done with it.
IMHO you are better off finding a local helicopter school and banging out at least 10 hours to see if it is something you really want to do and enjoy. At the very least, go find one that offers the 30 minute "experience". As this will almost certainly be done in an R22 it will also get you some experience in a 2 seat helicopter with no luggage space and limited performance. You may decide that perhaps a 162F is not helicopter you want. IMHO the R44 is the lowest form of actually useful helicopter life outside of a training environment.
And finally, there is this ugly question: how much do you weigh? If it's north of 200lbs the R22 is not the preferred training machine unless you can find an instructor named "Tiny". And the 162F is much worse. Full fuel (1:40 + 20 min. reserve) in the 162F leaves a max. cabin payload of only 323 lbs. If you only want to fly for an hour plus the required 20 minute reserve maybe you can put 365 lbs in the cockpit.