Making a cash offer on a house can give you an advantage if multiple offers are on the table. This is a Legally Binding Contract; If Not Understood, Seek Competent Legal Advice.You're Ready to Make an Offer. A complete purchase offer in Montgomery County is a tall stack of paperwork that's normally over fifty pages. All offers should be presented immediately to allow your clients to consider the offer and respond, if he or she chooses, prior to the expiration deadline. The section below should be filled out only if you intend to purchase the property. Billy will help you put together all these documents of the above checklist before completing a home or land contract sale within your price range. How to fill out the Maryland Residential Contract of Sale Agreement? No tricks, no gimmicks, no hidden fees or costs. Just follow below and you will be well on your way to getting the best offer for your Maryland house.