Rental Portal (RP) is a flexible ebusiness Rental(for Hire) web transaction system that handles rental orders, sales orders, work orders and warranty. It also has scheduling, inventory, financials and accounting. Rental Portal works best for Midrange, Entrepreneurial Companies who have a rental line of business, and need to deliver better service, wider range of services, like repairs, warranty services as well as the ability to extend to their customers, vendors, salesman, and partners over the Internet. RP also works well for departments or divisions of large enterprises. RP is designed to be easy to install and easy to use without the need for an installation team. RP is a true web application written in Java.