The cost of starting a business these days is basically zero.
Just like the cost of writing a book is basically zero.
Or creating your own TV show.
Or radio show.
Or publishing your art online.
These days the cost of almost everything almost entirely consists of fear.
The fear of being rejected.
The fear of being ridiculed.
The fear of failure.
The fear of change.
And yes, also the fear of fear itself.
On the other hand, the cost of not doing any of the things you always wanted to do is much much higher than that.
Maybe not today.
Maybe not tomorrow.
And maybe not the day after tomorrow.
But probably some day...