How are you going to do deliveries while the drone cannot last more than 30 min? (realistically speaking) and while flight time is a concern, another concern, how are you going to do deliveries fast enough? Here in my hometown, airspace is a concern for me, because I don't know the whereabouts of low flying aircraft. (Due to COVID-19, no one is really flying their ultralight anymore, we have a few farmers in the area that flies with their Cessna)
That means before flying delivery drones, they have to be registered and report stats via ADS-B.
The pilots should also have the training to operate the drones.
So no, normal deliveries is fine tho. (probably more cost effective and less worries of your neighbor shooting down the drone, because the thing is in his/her airspace)
Unless you need to get urgently to a place where no car can get to fast enough, then yes, do the delivery via drone.