What differentiates you from other buyers:

Put yourself in the sellers’ shoes: what differentiates one buyer from another? You have to show the seller that you are a serious buyer. You can do that by having a good resume, all your financials lined up, and by presenting a fair offer. Last but not least, show the seller that you are a reasonable person who is accommodating and easy to work with. Remember that nobody wants to be involved in a large transaction of often long duration with someone who is difficult to work with.