The steam return policy explucitly says that it is not abuse if you refund and then buy un a sale. As long as all other refund conditions are met (two weeks old, less than 2 hours played). See also the 5th faq item on https://help.steampowered.com/en/faqs/view/5FDE-BA65-ACCE-A411
Like the other commenter said. If you purchased it in the last two week and have less than 2 hours playtime, they will give you the difference no question asked.
The steam return policy explucitly says that it is not abuse if you refund and then buy un a sale. As long as all other refund conditions are met (two weeks old, less than 2 hours played). See also the 5th faq item on https://help.steampowered.com/en/faqs/view/5FDE-BA65-ACCE-A411
Like the other commenter said. If you purchased it in the last two week and have less than 2 hours playtime, they will give you the difference no question asked.
Did you just recently purchase it? If you ask steam support will usually give you the difference