The Buddipole works as a dipole, so no 'counterpoise' or radial system is needed. normally.
I haven't used the Buddipole, but I have used a pair of Hamsticks as a dipole on 20 meters. Performance is reasonable, but you won't win any DX contests. A shortened dipole 8 feet off the ground is going to be lossy on all the HF bands. You will make contacts, but a full-size antenna higher in the air will always work better.
I've actually found that for portable work, if I'm not tearing it down and moving it every day, the Hustler BTV-series verticals work well. I use a roof tripod with barbell weights on each leg and on the bottom of the center support mast. 10 lb. weights will hold a 5BTV up in a thunderstorm.
I have the radials all cut and arranged in bundles, so I just need to unroll them and spread them out on the ground.
When you're working portable, you can carry a variety of antennas, depending on your circumstances. I've worked PSK31 using 2 watts from an Ft-817 and MFJ's model 1899 5 foot loaded whip on 20 meters from inside motel rooms with surprising success. But an end-fed half-wave antenna in a tall tree works much better! The end-fed half wave antennas are particularly easy to use, as they only require one support.
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