Also, my listing shows "DECLINED" on zillow because the agent who posted the listing for the person I bought it from hadn't yet removed their listing. 

Buy newer construction or updated properties so you don't get hit with a major cap-ex expense while revenues (rents or occupancy) are declining.5.)

Aside from that, there are some costs that can decline with more doors.

My buyer has only declined to purchase one of the 26 properties I have had under contract and offered him.

The profits for year 1 is around 3000, but declined to 400 this year as competition increases and eBay stricter and continuous changing rules on HTML and JavaScript rules for small store seller (eBay will delete your list if you don't correct what they ask).

I declined the offer and did not proceed.

The tenant barked about having to possibly take on a new bill or having her existing gas in the remainder of her home shut off so she declined. 

Often times in the first contact the prospect asks if there is oil heat,  then they decline to even look at the place.We've done about a dozen conversions to gas heat ranging from about $3,000 to $6,500, some included duct work, gas hot water heaters and central air.

They will send you to a re-insurance company, which charges several thousand dollars and declines to issue re-insurance in about 10% of cases.  

You are allowed to ask about pets and can decline as long as they are not service animals.