When someone has $40,000 and needs a beautiful working landscape installed and ready for inspection in 90 days...
Ya don't mosey around playing the guessing game. 😄😄😄
*** And you don't waste their money.
*** You don't do it wrong.
*** You know what looks good and what will work BEFORE YOU BEGIN.
You create a working design and give them a bid to match their budget or you are out the door with the rest of the amateurs. 😉