It’s not impossible - taxi + travel expenses + food… minimum for a gig
You write very interesting songs and some of them are really a level above. Your guitar playing is absolutely lovely and you have a character all of your own
What’s more, you getting out there in front of people and testing your songs against a live audience would really improve your craft and spread what you do way beyond just 5 people
I know it’s maybe a daunting prospect and hard to get started but if you do it & it doesn’t work then so be it
But if you don’t do it you may well end up regretting it …and you really don’t want that