A Pet Sitter's Flower Pot Rant

Did I mention it is HOT?(see previous posts). I am a pet sitter and my vocation and dedication is to the welfare of my client's pets. As an additional free service I will try to make sure your plants don't die from neglect while you are gone. In the Texas summer 2 things are a given. People will plant a lot of delicate flowers in pots, and these same people will then take a long trip in the hottest part of the summer.
 For me the most trying part of my job is not to walk dogs in the broiling Texas summer sun, it is watering all those outside plants, in pots mind you, in this heat. Many of my clients leave such detailed instructions for outside plant care that it rivals anything I have to do for their cats and dogs. Example-" In the back -Just water the 5 large pots for 2 minutes each, and the 8 smaller pots for 30 seconds each. The larger pots can be done every other day , but the small pots need to be watered daily, unless it rains. Don't forget to check the hanging baskets by the front door, there is a hose on the side of the house that will reach".  There are 50ft hoses that have to be dragged along and across pools to catch all the pots and hanging baskets, or I can fill the watering can 10 times from those same hoses-whichever is easier! It is miserable work and yes, I do charge extra if it is excessive but frankly, it is subjective, and few clients assume I will charge them for this, or offer to pay for it. The time I spend outside doing this is time I am not with their pets. This is my busiest season and I can't compensate for the time I must spend attending these plants. My little buddies have to get short -changed in the TLC department so that the flowers look good.
My solution- let them die while you are on vacation and go buy some new plants when you get home!