The dynamics of the airline industry have always been fluid, and this is especially the case now. Since the signing of the "Airline Safety Improvement Act" the airlines have been scrambling and fighting ever since to adapt to it's three major provisions. First, FAR Part 117 addressing crew rest requirements, Second, an ATP w/PIC type rating in airplane being flown by the FO and last but not least, AQP/CQP. The biggie is FAR 117, because it is a total re-tooling of our previous rest rules.
FAR 117 is creating angst, because in many cases pilots are seeing less days off, less schedules that are commutable and trips that are unproductive in terms of pay credit. For example, I am a line holder with 11 days off and all the trips are only commutable at the end of the trips and only have 2-days off in between. If you don't live in-base and have a 2-leg commute...You are F***ED. If you are on reserve, it is even worse! Reserve just sux period, but commuting to it with two days off in between 5-6 day stints really sucks. I want you to understand, I am not whining...I have been doing this airline gig for 10-years, and compared to being an AW2 on sea duty was a PIECE OF CAKE and A LOT more FUN!
My suggestion would be to glean as much information from your buddies that are in the airlines already or know people in the airlines...I cannot say that there is any kind of "secret formula", but I'd say live where you really want to live and accept that you might have to commute. The up side is that if they don't change the retirement age...again...there is a very large number of pilots retiring from the legacy carriers.
The airlines are not what I would call an employee friendly industry, but you will work with some very good people the vast majority of the time...If you are getting out of the military, I'd highly recommend maintaining an active reserve status, so you have another income stream and an alternative if things go south and you have to deal with the dreaded furlough...