Is the treatment for freckles and blemishes effective compared to the cost?

I'm looking into treatments for freckles and blemishes, but the cost is more burdensome than I expected.
I am even more worried because I heard that I need to consistently receive laser toning or other treatments.
Melasma and blemishes don't disappear in the short term,

I heard that it requires long-term management, so I'm wondering if it's cost-effective.
I can't easily make a decision because I'd be disappointed if I just spent money and didn't feel any significant change.
I would like to hear honest reviews from those who have consistently received treatments for melasma and blemishes about their satisfaction levels.