How Three Flooded Basements Forced Me to Solve Weak Hot-Water Pressure
https://atomic-wiki.win/index.php/Septic_or_Just_a_Clog%3F_A_Real-World_Guide_to_Diagnosing_Household_Waste_Problems
I learned plumbing the hard way. After three flooded basements, a stack of emergency repair receipts, and a sleepless night or two, I finally understood why the cold taps in my house had full pressure while the hot taps just dribbled