Hopefully these all make sense now.
 
1. The name starts with an "M" 
Maggie + Mandy 
2. Loves YT 
Can't you tell she posts A LOT! 
  
3. Smaller than Chip (15 lbs.) 
Maggie is 6lbs 
4. It takes me the same time to drive across their state as it does mine. 
6 hours from Philadelphia to Pittsburgh. 6 hours from Memphis to Knoxville.
 
5. A very popular soft drink was invented in this state. 
Mt. Dew 
6. A famous snack cake was created in this state. 
Moon Pies 
7. The Sales Tax is higher mine. 
PA is 6%
TN is I think 9.25% 
8. Every year there is a festival for a particular "food", in this state. 
Memphis in May - BBQ 
9.There is a history of celebrities (local/national) in the state where my SB lives. 
Well she lives in Nashville...oh and of course Elvis Presley