I’m new to gear making (and sewing), and my main concern is my lack of knowledge.  Is there a website that i can go to that has sewing info geared to backpacking DIY gear?  Also, is there a place that i can go to to learn seam types and techniques? 

Thanks for your input!

To get you started, try
thru-hiker.com/workshop.asp
backpacking.net/makegear.html

AYCE