I honce forgot the pocket with all my 3Ds games at a friend of my brother's house...got it back two weeks later...XD
That kinda depends on their situation. If their internet is garbage, then it would be much more efficient to dump every cart with decrypt9 and convert with 3dsconv. Also, grats on your 666th post :^)Honestly I would just use ciangel/freeshop to install your cias, it'll take less time and you'll have legit tickets installed on your 3ds.
Much cleaner