Hi luna8186,
To start, a 710/Q49 is an outstanding Score, so you can comfortably apply to any Business Schools that interest you. As such, a retest is probably not necessary. Depending on the Schools that you plan to apply to, you would likely find it beneficial to speak with an Admissions Expert about your overall profile. There's a Forum full of those Experts here:
https://gmatclub.com/forum/ask-admissio ... tants-124/There's certainly no harm in retesting though and if you're interested in Verbal-specific materials, then you might find the EMPOWERgmat Verbal Score Booster to be beneficial. That having been said, if you approach this next phase of your studies with the mindset that you just have to 'watch videos'... and then your Score will automatically improve.... then that's not particularly realistic. To earn a much higher Score, you will have to train to 'see' (and respond to) the GMAT in new ways - so if you're simply going to approach the Verbal section in the same ways as before, then you'll likely end up with the same general score result.
1) What is your overall goal score?
2) When are you planning to apply to Business School?
3) What Schools are you planning to apply to?
GMAT assassins aren't born, they're made,
Rich