I had followed DXE instructions to mount the base of the antenna 8" above ground level with the tilt base. I moved my 5BTV recently from an elevated mount to a ground mount. Zero problems, always reliable. My 5BTV is roof mounted at the peak of my house on a tripod with 2 radials for each band fanned out and secured to the shingles. It's guyed with lawyer mower starter rope at 4 points and has gone through many wind storms and is still standing straight and tall.
I am therefore giving it a rating of 5 out of 5.
One thing you want to use on the joints of the antenna is nolox. Zero problems, always reliable. Except for the reviews that claim the antenna does not need radials. Newer ones are not made to the professional quality that newtronics did in TX. I have this antenna guyed, using my own combination of turnbuckles and fish-pulling line [conduit]. For the money, nothing has come close.