Redshift - The First Thing You Should Do in 20 Minutes or Less?

Redshift is the easiest. If you're using AWS, if you're using GCP, you use BigQuery. Stitches has a free version for small amounts of data, five tries. Segment has free versions. You can instrument segment. There are free tools that let you actually start analyzing it. It's not going to be perfect but all these tools scale reasonably well.