How expensive is living in Sharjah/Dubai - regular accommodation for two?
Check dubizzle.com for the accommodation. Depends on your needs and will to drive prices vary a lot.
7-10 Offs a month is not too bad, can they be taken together or so - to make that trip back home? (FDTL allowing, of course)
You can't pair them unless you take annual leave I which case they are added 5 days to your leave. Some new options like 6/2 on/off seems to work for some. Around here thinks can be negotiated a bit.
Depending what deal you get its not bad. It all depends on your expectations and options elsewhere. It's my 7th year and probably will stick for a while still. However I have seen many come and go