Love this gazebo! 
Total time it took to put together was around 24 hours spread out over a few nights then two afternoons. (It probably did not help those afternoons were 100 degrees here in Louisiana) we used help - 2 people the first afternoon then 1 the second. No missing pieces, only one or two boards that were a little funky but we got it all together just fine! Definitely consult the manufacturers “Helpful Hints” videos online as they were very helpful!!