I saw a video the other day, purportedly aimed at noobs, that recommended doing all initial training flights out over open sea 'because there were less obstacles' ! Needless to say, I did not concur !
Things falling into salt water make repairs a much bigger event, but they usually turn out to be possible if people are willing to go to the rather huge effort involved in completely disassembling one, even down to the motor level (to get sand...
OP, thanks for sharing!
I have a home built that needs a new frame. I am going to probably buy his frame kit along with arms, and landing gears.
The current build scares people by its frankenstein vibe.
It goes to show just how many problems there are to solve to get anywhere near DJI's level and quality... and now they are having to do it with bastardised parts not designed primarily (or at all !) for flight.