Custom date ranges allow you to offer varying prices throughout the year.
It is common for owners to charge more during their busiest seasons, and require longer minimum stays during the holidays. Often owners will offer lower rates in their off-peak season, to encourage more renters to book during this time.
Remember that custom ranges override rate types set up in your standard rates, so you need to set up the same rate types to your custom rate ranges - i.e. if you have a weekly rate set up in your standard date range, you will need to add a weekly rate to your custom range as well, if you do not want the standard weekly rate pulled for a week-long booking during this period. The same would apply to weekends.
Don’t forget to add a title to your custom date range. Titles make it easy for you to keep track of your rate ranges - Renters don't see your titles, so just use what works for you.