I think when you are averaging 1 minute it’s fairly obvious how you can improve. Improve f2l speed and solutions and fingertricks for 4LLL. Almost all of these algs should be done regripless, but at your level the focus should just be on getting more comfortable with these algs. I personally never had formal coaching, but a couple years ago I got a few miscellaneous tips from someone I met randomly who happened to average 8. I don’t think you need this as I think there’s still so much room for improvement. Come back maybe when you are sub 20 and with full OLL and PLL and completely out of ideas of what to do next, but for now it makes sense to just practice and improve on your own