The Pickleball Central Blog has all things pickleball!. You can search for any supplies you need on this site. Their latest post discusses the pros and cons on different shaped paddles.
Winning Pickleball Instruction Videos - Mark Friedenberg
Our first videos comprise a 20-video series of approximately 112 minute runtime, $15 for unlimited viewing.
Pickleball4 All - an excellent source of instruction.
Here is a guide made especially for beginners.
Pickleball 4 All - Why Pickleball is so attractive to all.
Pickleball for All Ages - an article but an excellent overview of why Pickleball attracts all ages.