After going through this, I believe that this is a bug. I have brought this to Hostfully’s attention in the past, but I don’t feel like they truly understand what is going on here. It’s a bit hard to explain, but I feel that the images show the problem than the explanation.

Pricing Periods date selections need to match every industry standard when selecting date ranges – Our industry works on “nights booked” and “nights selected”. We select dates and base the range of nights (check-in to check-out). When selecting date ranges in Pricing Periods, the last date selected is including that selected day’s night. Everywhere else (in Hostfully as well as every platform out there), the last date in a range is based on the date of checkout. This is not standard and is very confusing when selecting date ranges in Pricing Periods. The last night in the selected range SHOULD NOT BE INCLUDED for that date’s night price.