The economic way to get prints from colour slides is to beg/ borrow/ steal a slide projector & screen, project the slides and photograph the screen with a modern digital camera in a darkened room.
I never believed this would be good enough - but I tried it and the results were very good, far better than when I tried to scan them directly at quite high resolution and reverse the colour image
5 Precepts of Buddhism seem appropriate. Refrain from taking life. Refrain from taking that which is not given. Refrain from misconduct. Refrain from lying. Refrain from intoxicants which lead to loss of mindfulness