Arrived on site client stated that the toilet on the first floor by kitchen wouldn’t flush properly so we investigated flushed it once came back up then we ran sink after about 10 mins we got bubbles in the toilet and water b/u the shower we pulled toilet ran snake about 12 ft hit hard blockage played with it for about 15 mins then we got water to go down then it came back up we re snaked the line at the same spot 12 ft line open again I sent camera and then I ran camera and found a problem there is a sanitary tee on its side and it’s cause the sewer line to back up with the toilet paper not being able to make the proper turn to the street it will continue to be a problem we installed a new 1/2 quarter turn shut off valve with a new American standard cadet pro extra tall with brand new bolts ,wax ring jumbo ,tested for leaks didn’t find any