With such good conditions, it's perfectly reasonable to directly use V750 and also deal with GP's network issues.
Regarding the base, if it's inconvenient to install a concrete pedestal, you can find a water-filled base at PDD. I recommend buying a large black one, as white ones are more prone to damage and cracking due to sunlight.
Please check that the umbrella diameter that can be inserted into the base matches the upright pole.
If you really need to use a GP (Global Positioning System), you can use a stainless steel anti-theft mesh as the ground net. The actual results are quite good.
It's important to always use a safety line; it's a double precaution.
If your house doesn't have other lightning rods or tall structures nearby, it's a good idea to install one.