When we moved here last summer, I was very dizzy for a whole week due to the new paint smells and the outgassing of the carpets. We had to sleep in 90 degree weather with the windows open for a week. When the sprinklers came on at night (twice a week), the smell of the sulphur in the water was ghastly, also.
I would recommend you have them ceramic tile the whole house and have them paint it with no-VOC paint from the Benjamin Moore Paint Store. You can also buy solid wood furniture from the Wood You Furniture Store in Ocala
Wood You Furniture | Unfinished Furniture Florida | Ocala, Florida. Try the internet for "organic" mattresses.