I would probably have a hard time turning someone away with an offer letter, but I would probably call their office and verify its legitimacy. Generally a job offer letter will show your new salary and that will help that you will be financially able to pay rent.Here's a template you can use for your proof of employment letter: Download the TemplateTemplate PDF. The easiest way to collect a rental application and tenant screening report is to use purpose-built software like Landlord Studio. Learn how to write a proof of income letter with our stepbystep guide and use our fillintheblanks template as an example. Utilize our Rental Application to assess and screen potential tenants before entering into a lease agreement for your rental property. Acceptance of the offer. Consideration or something of value that each of the parties agree to give to exchange to complete the contract. Welcome to the University of Pennsylvania. We are pleased to have you on board and a part of the Penn community.