The most difficult stitch in this pattern is a k4b (knit 4 below). 
Sizes:  This is and automatic stitch calculating pattern that is based on a customizable measurement chart to support all body shapes and sizes!  
Testing:  This pattern was tested by testers between bust sizes 27 inches - 51 inches.  
You may sell finished items based on my patterns. Please, follow regulations in the "Selling Finished Products" section of the pattern.
Materials:
-Yarn of choice (Sport - Worsted Weight Recommended) 
      NOTE:  Yarn amount will vary based on length. Yarn amounts below are based on a size small.  A size XL will roughly be DOUBLE the amount of yarn used below. 
      Prototype 1 (pink/purple cardigan):  800 yards - I used fingering weight wool and lace weight mohair held together with 4mm needles.                                 
      Prototype 2 (green/blue crop top):  650 yards - I used weight 3 cotton yarn with 4mm needles
-3 Sizes of knitting needles (circular or DPNs as the sleeves will be worked in the round) outlined below:                        
     1. Small Needles:  Recommended needle size for your yarn    
     2. Medium Needles:  2mm larger than the recommended needle size    
     3. Large Needles:  4mm larger than the recommended needle size                                        
For example:  If my recommended needle size is 4mm, I will need 4mm, 6mm, and 8mm knitting needles.        
-Stitch Markers                            
-Stitch Holders                            
-Measuring Tape                            
-Scissors                            
-Darning Needle                            
-Gold Chain (Optional)