One of the options you often have when configuring 
Rules on the Real Estate Financial Planner™ software is the ability to choose when the Rule will run.
If you leave the Rule Start Date as blank (mm/dd/yyyy or 00/00/0000) the system assumes you mean to start it at the very beginning of the 
Scenario. Similarly, if you leave the Rule End Date blank (mm/dd/yyyy or 00/00/0000), the Rule will run through the end of the Scenario.
You can set your Rule to end after a certain period of time. For example, if you know you’re going to have business income for the next three years, you can set that as a start and stop date.
IMPORTANT NOTE: All dates in the Real Estate Financial Planner™ software happen on the first of the month, so the “day” part of the date is always the first regardless of what you enter.
If you’d prefer not to use hard dates you can use months relative to the start of the Scenario instead.
With months, you can set this Rule to run starting a year into the Scenario (Rule Start Month = 12) and run for the next 12 months (Rule End Month = 24).
Similarly to dates, if you set Rule Start Month to 0 that means start at the beginning of the Scenario. If you use 0 for Rule End Month that means run through the end the of the Scenario.
If you know you want to run this Rule for the entire Scenario, click on Entire Scenario.
