Use sentence case for most email subject lines, no matter if you use Mailchimp or HubSpot. It feels more human. It looks less shouty. It also fits most inboxes better. Example: “Your spring sale starts today” usually feels warmer than “Your Spring Sale Starts Today”.
Choose Klaviyo if you want deep ecommerce targeting and smarter abandoned cart flows. Choose Omnisend if you want a faster setup, cleaner templates, and email plus SMS without much fuss.
Use APIs when you need clean, approved data. Use scraping when APIs are missing, limited, or too slow to capture the market. Use product intelligence platforms when you want answers, not a messy data project.
Use Selenium with Python when you need real-browser control, but choose Playwright for newer JavaScript-heavy sites and Scrapy for large-scale HTML crawling. Selenium is still reliable, widely supported, and easy to understand. Yet it is not always the fastest or cleanest tool for scraping work.
Use curl when you need precise control over a file request, headers, APIs, authentication, or scripting behavior; use wget when you want simple, reliable file downloading, mirrors, and recursive grabs. Both tools are excellent, but they feel built for different moods: curl is a network scalpel, while wget is a download workhorse.
Use a free GET-to-POST proxy only for small, low-risk jobs. It is handy when a tool can send only GET requests, but your target API expects POST. For anything serious, use a real HTTP proxy API, an API testing tool, or a web data retrieval service.