Trust and respect are key when a solar salesperson engages with you. Take your time during your solar power decision process. A solar salesperson that trusts and respects you is not going to pressure you into signing contracts on the first day you meet them. A third key component is Expertise. What do they know? How long have they been doing it? How many completed projects do they have?
A key way to quickly test if you can Trust and Respect a solar salesperson is to take your time making a decision on who to start the project with. A solar salesperson that can be trusted and respected will be absolutely fine with your due diligence measures.