Sears- Why not lease it False adversting/scam Columbus Ohio Nationwide

I went to Sears to get a refrigerator to make payments on until i paid it in full. I explained to the rep several times to make sure I understood exactly what i was doing as i always paid for anything I've ever had in full cash. So the rep gave me the price and advised that I would pay off the frig in 4-5 months. I would call every month to verify payment went through and how many payments i had left. And they would confirm that info.The day I paid it off i received several different numbers saying i still owe etc. This company is telling me a lot of different things different including a balance that i should not be owing. This company is doing scam. False advertising and the communication tactics are different with every rep i speak with. If I knew exactly how this went I Would have never signed up