Just my 2 cents worth: I sort of felt like you in the beginning.. I am an old retired guy and was enjoying playing this game. But realized I was spending way too much on a retired budget. And I needed the money for other necessities. Then I woke up, I realized that in the morning while drinking coffee, I could earn credits over ham/eggs and milk. I take about 30 - 40 minutes every morning enjoy breakfast and earn anywhere from 200 to 1000 credits by completing surveys or watching videos each day.. The Tri-dent videos are the best. Retired life is good... So in short if you have 30 minutes a day you can at least earn enough credits to buy balls.
No, you won't go back to Tour Pro, you will gain experience and move up another tier and go through the same frustrations. Also might help to get off the mobile device and log in through the internet, play is 4 times better. There are glitches, just remember to keep your flash player and cache clean.
Chart your clubs and practice.
That's it for 2 cents