To determine if the GSD250C at €625 is a good deal, consider the following factors: research the average market price of the GSD250C to see how €625 compares. Assess the condition if it’s a used item, as well as the warranty or return policy, which can impact the overall value. Evaluate the features and specifications of the GSD250C against current needs and comparable models. Additionally, progress through any reviews and ratings from other customers to gauge satisfaction and reliability. Finally, consider any additional costs such as shipping or installation that may affect the total value.