Well, there tons of builders outside.
I tottaly agree that elementor or some wordpress themes will fit for basicly any type business.
Of course you'll have a learning curve (if you never used this before) but it will makes a huge difference when you start to grow.
It will have payments? Lead capture? Costumer chat? etc.
If you want use something without many features, you can take a look at Leadpages or Versoly.