>>3389039It's also fine to just hand your film to some lab. However, if you do so, you lose control over the process and have to deal with the results you get back. Both ways have their advantages and disadvantages. Personally, I rather spend those 20mins and do everything myself so I don't have to blame anyone else if I don't like the results.
Bottom line is that if you want a good bw film you can get developed at a lab, XP2 is the best you can get.