You can get a 5 piece brush set from Sonia Kashuk for $7.99 today with free shipping.
These are pretty expensive brushes normally. These would make a great stocking stuffer for teens or college kids.
There is also a special holiday brush set in silver or black with 6 brushes plus the case for $22.99 this week. These also have free shipping.
The first brush set you have listed is actually only 7.99 + tax shipped! Mine came to $8.63….use ebates to get 3% back