One of the best tools for sewing today besides a good friend is the interenet! There are so many forums & websites that can help answer just about any question. This has helped me find lots of tutorials on different techniques, alterations & other skills!
Monograming Without an embroidery machine
Childrens Pants Altereations for Skinny Waists
Full Bust Alterations (or Adjustments) ~ FBA
Princess Seams: not just for princesses anymore
Frills and ruffles for flamenco dresses
No-Itch Twill Tape Tags & Clothing Labels
Duct Tape Dummies ~ Cheap & Unique alternative to a dress form!
Everything Your Mama Made & More! 