We Are Selling Our House And Are Having An Open House??

We really need to sell our house because we are in one of those stupid adjustable rate mortgages and our payment is schedule to go up in January. Once it goes up I doubt we will be able to keep making our house payment, it is already $1,500.
We are having an open house on Sunday and I don’t know what else to do to make the house look more appealing. I’ve already got rid of the clutter by renting a storage unit. I’ve staged a little but I’m not very creative. It’s a 5 bedroom 2 bath but the basement is getting a $2,000 carpet allowance because we have not carpeted it yet and that’s where 2 of the rooms are. The house is 2,600 square feet including the basement. Has an irragation system. We are asking $229,000.
Another issue is the builder has 7 brand new houses down the road for sale also and he has a 5 bedroom 2 bath, 2,040 square feet for $184,000. So we have some competition with that house but ours is almost 600 square feet bigger.
Anyway, how do i sell quick?