In that chronology yes, it is free so because you are paying nothing, and getting something it should be worth it. Plus you can see those pondering results to them.
Not a good one. This is definitely not the place to be frugal. However, it is possible to see court records for free online, depending on where you live. This would be at government owned websites.
There are no free background checks. There will always be some type of fee involved. If it is free, I would not depend on the accuracy. As the old saying goes: "You get what you pay for."
Arrest records are public domain, and are often listed on state or county websites. If you search for "free background checks" you will find tons of advertisements. Unfortunately, none of them are...