Another reason they check bank statements is for “buy here, pay here” loans. In other words, car loans that don’t necessarily go through a bank (or show up on your credit), large furniture or electronic purchases, etc. During the underwriting process, try to avoid making any big purchases or you can make the lender skittish.
There is an exception, and that is the Locrian mode. This mode is a minor mode but it has two different notes from its parallel B minor: C (minor second) instead of C# and F (diminished fifth) instead of F#.