In what should I spend my credits

Ummm... what characters are you talking about? That might be a guild place to start. Also, please make a profile on swgoh.gg and link it so we can see what you have to work with.

I have tried to make the profile in segoh.gg several time but the error 403 keeps popping up

Well, the characters that Im upgrading are Jedi counselor, jyn erso, finn, kylo ren, and clone wars chewie

First advice: cw chewie is a utter waste of resources. JC is also basicly a waste. Go for a good scoundrel team. You're gonna need them for heists, where most of your credits will come from if you're f2p Boba and Lando's a good start.

"EmilioGarcia11;c-1432990" wrote:
Well, the characters that Im upgrading are Jedi counselor, jyn erso, finn, kylo ren, and clone wars chewie

Nononono. Stop. Stop right now. You need to work on Phoenix squadron if you want to be competitive. JC is terrible. Jyn is needed in a R1 team for TB (end game content you're 12 months away from needing to work for), Finn is useless until zetas, kylo is useless except for getting BB8 and clone wars Chewie is the worst tank in the game by a country mile.

So you recommend me to buy the phoenix squad and upgrade it and trash away my actual squad

"EmilioGarcia11;c-1433005" wrote:
So you recommend me to buy the phoenix squad and upgrade it and trash away my actual squad

Yes 100%. Doesn't matter if your current squad is g10, 7*. Work on Phoenix squad ASAP. I'd guess your arena rank is in the thousands. Phoenix will get you to top 100 in a month or two.

I already have chopper and Kanan jarrus which was the ones that I could by at that moment, I'm missing 15 shards for Zen, 17 for Ezra, 2 for Sabine, and 24 for hera

"EmilioGarcia11;c-1433017" wrote:
I already have chopper and Kanan jarrus which was the ones that I could by at that moment, I'm missing 15 shards for Zen, 17 for Ezra, 2 for Sabine, and 24 for hera

Perfect, you're already ahead of the ball. Start gearing the ones you can immediately. Keep farming them all to 7*, but ignore Sabine. She is a hard node farm and it takes so long she's just not worth it.

One last question, when I get my phoenix squad to 7* and all that stuff, then I can get the character that I was saving for (rey)?