You dont need to be "good" at. All you need is to prepare and keep supplementing your soil with organic matter, grow plants at appropriate spacing, give them some sort of physical support if necessary, prune them and supply consistent, adequate water. Once set up, all you need is to spend 10-15 minutes every other day. Maybe more on the weekends while weeding or tidying up.
Water delivery on a timer is very helpful. I couldn't do without it. It doesn't have to be fancy either.
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