Miniature Golf is only partially similar to real golf. It will help him with putting but not driving. It's a good place to start.
Yes, it is.
Yep go for it!
It depends on the person.
Yes as long as you have good trainer
There are plenty of websites suitable for 13 year olds. Facebook and Twitter both allow 13 year olds to use their sites, but it really depends on the child and how mature he/she is.
Red Cross Babysitting class.