I hate trying on in shops, too, especially in hot weather. I’m not convinced that Covid can be spread by trying clothes on, but the shops have to obey the rules.
Buying online rarely works for me, and I hate the hassle of returning things.
Like curlywhirly I am just 5ft. Dresses, in particular, are a nightmare. They never seem to fit well. Also, most garment sleeves reach my fingertips. Even petite sizes are usually to fit 5ft 2ins, are hard to find in shops, usually more expensive and choice is limited.
I did get a pair of jeans in Asda recently, which fit perfectly. They were the shorter ‘capri’ length, and exactly ankle length on me!