Quality solar installers will handle all of the system design, equipment purchasing and delivery, permitting, rebate/REC/interconnection agreements, warranty the system for 20-25 years and handle any manufacturers warranty issues as well, but not if the equipment is from a random manufacturer that they don't work with.

I would have in my contract the partial payment upon delivery of materials.

Imagine telling Home Depot that they must provide their delivery guys' DL to drop off cabinets at your project.

. - Alton, IL) , a delivery Driver for Jimmy John's (JJ - Alton, IL), a photographer and editor for a startup art magazine (Warm Soda Magazine - St.

Then - via certified mail with proof of delivery - send your PM notice of their failure to perform and cite your disappointment with their failure to communicate. 

Lastly, no one sends your paycheck, mail, or Amazon deliveries to your car.

If you have his email, send it that way - and post/tape it on his door in an envelope - and mail it by certified mail with proof of delivery plus address correction requested. 

I’m currently a delivery driver for a local lumber yard and I work close to 60 hrs a week.  

People also use Uber drivers or delivery guys to do their scouting for them.

First they had driver issues so it was going to be lunch time instead of first delivery.