Well, come Feb 17, it looks like I will be heading to Macau for my exit/re-entry.
I looked at all the options, and in the end, Macau seemed the easiest (and least expensive to boot). The trip will look like this:
1) Feb. 17, early afternoon flight from Hefei to Macau, via Air Macau
2) Once in Macau, I will head over to the ferry terminal that has a route to Shenzhen Airport (actually, from this mainland harbour, I will still need to take a short shuttle bus to the actual airport), and purchase a seat on a ferry for the following day (12:30pm departure).
3) I will either book a hostel online (I have one picked out), or if need be, I will take a bunch of addresses of places there, and just visit one with an available room. This will just be for the night.
4) I will load up on food from the nearby shops and restaurants in the morning on the following day (Feb 18), check-out, then head over to the ferry terminal for my 12:30pm boat ride to the mainland.
5) After 60 mins (roughly) of boating across, take the shuttle to the airport.
6) By this time, it will be around 2:00 or so. I will check in, and head to the gate to relax, till the flight departure (4:35pm I believe it is). Return flight will be with China Southern (last time it was with Shenzhen Airlines).
The last time I flew out of Shenzhen, I never knew how freaking far it was from the body scan area, to the actual gate. MAN I walked literally a mile or so to get to Gate 40 I think it was. So, this time around, I won't eat some food before getting on the plane OUTSIDE of the gate seating area (on the stairs, to mention).
Also, during my trip, I will visit the Chinese Consulate in Macau, which is really near the harbour, and get a feel of the place, compared with Hong Kong. I read some stuff online, but I want to see firsthand how it is there, as my next trip out of China, might be a return to Macau, rather than HK. We'll see. And no, I don't plan on doing this every 30 days, as this would just not be worth the time and money to do so. So I will look to other ways of getting longer stays within China, if possible.
Lastly, not sure if I made this clear enough, but, this is NOT a visa run. It's simply an exit/re-entry with current visa I have, which I obtained from my Hong Kong trip. It's a two entry visa, so last time was number 1, and this time, upon re-entry, will be entry number 2.