With the budget of 7-8K you can build a very nice solid & robust system without requiring a lot of "compromise" parts.
Words of Advice ! STUDY ! Ask Questions, think things out and recheck them and most importantly apply the rule of KISS !
There is no such thing as a Stupid Question, except for the one that is not asked ! If in doubt, ASK.
Two adages to be well aware of !
"Penny Wise & Dollar Foolish" - "Penny Foolish & Dollar Wise" both can apply equally, especially if Murphy's Laws come into play.
You will need to figure out how much power your going to be using on a daily basis to run your equipment (fridge, Lights, computer, TV etc).
Then you will want to figure out how many days you want to go without solar charging (cloudy & bad weather days).
Next you will need to think of how to recharge on bad days (small generator or grid power or ?).
You can't begin figuring out what system parts you will need till you know how much power you will require & how much autonomy you want.