Time-saving projects always take more time than one expects.
We have always been partial to a gardening mix with hanging baskets, large pots, and planters. According to my local expert Mrs. BD, pots can add structure and height to flower gardens. The only thing that drives her nuts are clashing colors, and she does not like to permit annuals to steal the show from precious perennials and flowering shrubs with their frequently more subtle colors. (Furthermore, she believes that varied and interesting foliage is just as important in a garden as are blooms.) Red annuals? Fugeddaboutit. She says they are for McDonald's and banks - commercial-looking. She is right that overly-bright flowers look commercial and tacky rather than homey unless they are the only thing you are growing.
You could say that she feels that using any annuals is cheating, but I am not so doctrinaire about the elite gardening rules.
Our gardening trick for in-ground gardens is to use plenty of mulch instead of using irrigation, but if you enjoy pots and planters the way the Italians do, and do not always remember to, or bother to, lug watering cans around every night or every morning with all of the other things that need doing, you can assemble one of these sorts of cool dripper systems, set the timer, and forget about them until frost. Our cousins on Nantucket use them for all of their rental houses, and they work great. The mini-hoses are invisible.
Trust me. They'll look much better and grow better with daily water. Pots and planters dry out in one sunny summer day. (Smaller pots don't even make it through a day.) The occasional light dose of Miracle Gro in planters doesn't hurt either.