Also do you think the diamond grinder is necessary..? Our floor is only about 20-25 years old and looks OK for the most part. It costs a bit more to rent than we expected.
LOL task's wife here.. I was going to join & post the same thing but he beat me to it...!!
The product we bought is the Quikrete kit from Lowe's. We can always return it and get something else if that is a bad product.. but we just did alot of other remodeling and don't have a huge budget for...