IF YOU GO TO EBAY UK AND CLICK ON TELESCOPE GUIDES, YOU WILL FIND 12 COMPREHENSIVE GUIDES STARTING FROM THE VERY BASICS AND PROGRESSING TOWARDS UPGRADING, SELLING ON EBAY AND EVERYTHING INBETWEEN.

THREE OF THE GUIDES WILL TELL YOU IF THE SCOPE YOU ARE INTERESTED IN WILL ACTUALLY WORK NOT AT ALL, BADLY, MODERATELY OR WELL. THEN, THEY WILL TELL YOU WHAT YOUR MAXIMUM BID SHOULD BE.