up vote 0 down vote. You can nest up to 7 valid or invalid entries. If you need to have more than that you should perhaps designate a column for your black list of entries that you can add to when an occurrence causes a count that you don't believe should be valid.
So how much does a float tank cost? Float tank prices vary widely depending on the size and the features of the float tank or pod you want to buy. Expect to spend anywhere from $12,000 to $40,000 to buy each commercial-grade float tank needed in your spa.
According to AirNav.com, if you're filling up your tank in the San Diego, CA area, the average cost of fuel is around $6 per gallon. If you're in New York City, it spikes a little higher with an average of around $7. The average nationwide is around $6.