Most guitarists who want to learn how to play guitar and sing often prioritise the guitar part over the vocal part but this is a common mistake that will hold you back.
The reason why? Because it takes much longer that way. Spending too long perfecting the guitar part before adding singing can work against you.
Singing and playing the guitar is tough and does take a little time, but you can shorten that time by doing things in the correct order which I’ll show you.