I'd like to recommend Magoosh
, an online test prep company that I would argue is as good as MGMAT, Knewton, and all the rest, only we are much more affordable --- definitely in your budget. We have over 200 lesson videos, teaching you all the content and strategy you need for the GMAT. We have over 800 questions, each with its own video explanation.
Here is our free blog --- even if you don't sign up for Magoosh
, you may find this a helpful resource. http://magoosh.com/gmat/
Here's a free sample lesson on DS:http://gmat.magoosh.com/lessons/363-avo ... kes-part-i
Here's a free sample SC question, just so you can see a sample video explanation:http://gmat.magoosh.com/questions/1140
When you submit your answer, the video explanation will be in the next page.
Here is our page of testimonials:http://gmat.magoosh.com/testimonials
Here is our score guarantee: http://gmat.magoosh.com/score-guarantee
Please let me know if you have any questions, or if I can support you in any other way.
Magoosh Test Prep