It would be best if you could find someone to help you learn how to scrape. Trying to learn it yourself usually leads to misunderstood techniques and bad habits. Been there, done that. Attending a Richard King class will present to you the proper ways of scraping, and you will be with others all learning together, which helps with getting the understanding of scraping right. I would not recommend buying a Biax or other power scraper until you first learn the basics using a hand scraper. Learning to scrape is not instant satisfaction by buying the "best" tools, it is understanding what you are doing to the work as you proceed, and progressing in a way that gives provable good results, proved by using the correct techniques for vetting your work. The biggest needed skill is patience and being inquisitive about doing it right. Warning, there is lots of poor information out there on learning scraping, and it is difficult for a newbie to know the differences. With assistance, and working as a group, the skills become more understandable and help you to reach the "AHAH! moments...