I have a 10 " and have had a look through /at glen cs nice 12 " dob
a couple of times .
The 10 is portable, down the hallway down a few steps to the backyard isn't to diifficult, and the back seat of most cars will fit it in there .
The views are great through this scope .
The 12 is also portable , down the hallway and backsteps does look an ask though at a glance it is a physically large piece of telescope
The views are great and noticably brighter in the 12".
Good luck both will be a long time friend whichever you choose
time over for MY situ ... think i'd go a 12 "truss dob of some type .. or maybe a 13.1 .. or maybe a