If you are trying to stick to something under $100, these tablets are under or just over that amount. However, to be honest, most people I have talked to about this say it is better to spend a little more, as you can get some much better ones for under $200.
But here is the list of cheaper (price wise that is) ones...
Lenovo Tab 2 A8 ZA030046US - KingPad K90 - Amazon Fire 7 7-Inch - Dragon Touch A1X Plus 10.1-Inch - Lenovo Tab 2 A7-30 7 Inch - DigiLand 7 - Toshiba Excite Go AT7-C8 7-Inch - Amazon Kindle Fire HD 6 6-Inch - iRULU eXpro X1 Mini - Nextbook Flexx 10.1 - Dragon Touch Y88X Plus 7-inch - Samsung Galaxy Tab 3 Lite - Astro Tab A10 - Dragon Touch M7 7-Inch - Nextbook Flexx 8.9 - Alldaymall A88X...