The caller is rarely the person who signs off the money
Treating every inquiry as a decision maker is the most expensive habit in this market.
A building engineer in Edgewater calls three contractors because a manager asked for three numbers. A unit owner in Coral Gables calls about a fan coil the association actually owns. A tenant in a leased suite calls about a rooftop unit the landlord controls. None of them can say yes, and all three look identical on a lead report.
None of that makes them worthless. It makes them intermediaries, and intermediaries need different handling than buyers. Your job with an intermediary is to make them look competent to the person above them.
Give them something to forward. A clear scope, a clean price, a short explanation of why the work is needed and what happens if it is deferred. Send it as something a board packet can absorb.
Ask directly and early who approves the spend and what the process is. Most people answer plainly. Very few contractors ask.