[lbriner]

Exactly. Use your skills to maximise your revenue so you pay others to use their skills.

It is not clear whether we are talking purely about design or also the implementation, which can be another world of pain. I am a very experienced (mainly backend) developer but even some simple front-end tasks like understanding why something isn't aligning as expected take me a long time.

Just pay someone to deliver you the HTML or buy off-the-shelf. Nowadays, you can get something decent from somewhere like Envata for $20!