have you considered an inexpensive electric to learn on - very light you can wear headphones, so no problem with the neighbours, an effects pedal will give you tuning+ some will change pitch? Not so good when you want to go to sessions though.

Chris wood used to restring his violin to viola tuning to match the pitch of his voice. Where is your natural pitch? Me - I tend to sing in C and could sometimes do with notes lower than the fiddle goes.

How long is your arm? For young children learning the violin - half sizes etc the usual advice is they should be able to hold the end of the fiddle in the palm of their hand.

Enjoy - its one of the most versatile instruments. I love my hardanger - it sounds like a fiddle played in the bathroom with lots of reverb.
FloraG ( fiddle player with rakes of rochester band ).