How to Identify Bad Olive Oil. Test your olive oil for rancidity and fustiness before using it. Photo Credit BananaStock/BananaStock/Getty Images. Bad olive oil, also termed as rancid, is affected by a variety of factors. All olive oil goes bad at some point no matter what you do to prevent rancidity. The length of time it takes to go rancid depends on its exposure to air and light and the temperature at which it is stored.
The cost of Trex decking installation is dependent on several factors. First, decking takes a considerable amount of time and labor. Installation for a 250-square-foot area may cost an average of $8 per square foot; however, prices may be altered when difficult materials and tough-to-reach areas are involved.
For the patio installation, the typical costs include: 1  According to PaveTech, the average concrete patio will cost around $700 using pavers and doing all of the work independently.2  The above figures place the patio installation at $21 per square foot. Traditionally, a patio at the size mentioned will cost roughly $2,000 to $4,000. 2  The resale value of this update would hold at the high-end of $3,200, or an 80% return on investment. 3  The above figures place the patio installation at $21 per square foot.