The bank will send an appraiser to ensure the home is worth the price you're paying. This isn't negotiable – every lender requires an appraisal to protect their investment (if the down payment is large enough some lenders will waive the appraisal).
Your attorney ensures the seller has the legal right to sell the house and there are no liens. This is especially important on Long Island with its long history and complex property ownership patterns.
Order homeowner's insurance early and ensure coverage begins on closing day. You cannot close without proof of insurance, and getting coverage can sometimes take time.
Stay engaged, stay responsive, and stay positive. Most deals that make it this far do close successfully, but your cooperation and prompt responses to requests are crucial for staying on schedule.