By using unique constraints in SQL databases, I can prevent duplicates at the database level, which simplifies post-processing.

Inspecting the URL structure of AJAX requests often reveals pagination parameters, which I can modify to control data retrieval directly.

Cloud-based OCR solutions, like Google Vision API, handle complex PDFs more effectively, though there’s a cost involved.

I use the Nokogiri gem in Ruby for scraping Mercari Japan’s product listings, focusing on price data and seller information.