I've been a "geo-bachelor" for 19 months now. It sucks. But here's my situation and experience; maybe it will help you think through your situation.
I'm military, married, with 3 kids. The oldest is a high school senior now. Due to a series of short 1-2 year assignments, my oldest was facing going to 4 high schools. After going to high schools in IL and HI, if my family moved with me she'd have gone to schools in two more states before graduating. Instead, they moved to a home we own from a previous assignment in a good school district and with a support base that was already established (church, neighbors, friends). It was a 9 hour drive from where I ended up, but I drove home every other weekend. It's now a 16 hour drive, so once a month I fly home. I rent the cheapest apartment I could find, not in a great neighborhood, but it's just me and if my place is broken into not much will be stolen.
Fortunately there is a light at the end of the tunnel. In July we'll all move together.
What I've learned:
- It's hard on everyone, but everyone learned to deal with it.
- Staying in touch and connected is tough. My phone has a daily alarm reminding me to call home, and if possible to Facetime, Skype, or Tango. Video chats mean a lot to the kids.
- Texting is very helpful through the day, but we make sure we set aside time to talk every day.
- Having enough nice stuff to still enjoy life at the bachelor pad is important. A good bed, cooking equipment, a good TV, internet connection, help keep me healthy and occupied.
- Staying in shape can be tough; there's no daily motivation to "look good" for the mrs, and the extra load of maintaining a second home (laundry, dishes, groceries, paying bills, etc) plus getting enough work done midweek for weekend trips is time consuming and can make skipping workouts "just this once" turn into a week of being a slackass.
- Proper nutrition is easy to mess up too... temptation to live on beer and frozen pizza.
- My wife has become a single mom by necessity. Merging back into daily family decisions can create friction.
- There's no way I could do this forever. Knowing there's an end in sight makes it livable. Your present situation may force your hand to live apart, but do everything you can to plan to put an end to it. Bear in mind the most affordable rental options usually start with a 1 year lease.
Good luck to all of you. In the short term it's doable, but try to keep it from becoming a long term forever situation.