Complex sentence: People collect and use antique tools for a variety of reasons-some say they are better made than modern tools and so perform their jobs better, others appreciate the handcrafting that went into their manufacture, and others appreciate them for rarity or aesthetic value.
Split into simpler sentences: People collect and use antique tools for a variety of reasons-some say they are better made than modern tools, and perform their jobs better. Others appreciate the handcrafting that went into their manufacture or their rarity or aesthetic value.