The same meal tastes better if you prepared it yourself than if you ordered it at a restaurant.
Veggies grown in one’s own garden taste better. The same vacation, when planned on our own, is more enjoyable than if a travel agency was employed. The same view from a hilltop looks better if we hiked up the hill rather than took a train to the top.
Sure – there is time and effort involved in doing things yourself. But in several cases, they are investments rather than costs.