Get some answers to your questions

Take a class with your new machine
Don't forget to take notes because the excitment of starting will cloud your memory. 
There is so much you need to know
About fabrics, tools and gadgets. What supplies will you need to get started?
There are so many things you'll need to know about threads. Don't pick thread for it's color. Learn the difference. 
Questions and Answers
About sewing and things
Why do you need a variety of straight pins?

What's the difference between a
ballpoint needle and a stretch needle?

What's the difference between ironing
and pressing?

Ironing is about moving the iron over the item.
Pressing is just that, come at the seam from above with very little movement. 

The movement of the iron in some cases will distort the fibers causing ripples, waves, and an uneven layer.