2007 Ford Explorer XLT

Took it to ford and paid 1000$ to have nothing fixed
and for it to come back with an oil and coolant leak
that’s gonna cost me an additional 1000$ to repair
from quotes with the initial problem still being
present. I don’t have the money. Anybody willing to
give me advice that actually has time under the
hood im willing to Venmo or zelle you 100$ for your
time.
So I even had the coolant fluid changed. The ac
compressor changed. And nothing.
Signs and symptoms are as follows
1. Rough idle
2. Stalls at stops( such as intersections)
3. I notice if I let go of the gas the idle starts to have
issues
4. The ac compressor, despite being changed
keeps clicking on and off. A mechanic supposedly
detached a cord or supply line that is suppose to
shut it off but it kept clicking on and off
5. Ac blows cold air randomly other times just
blows exterior hot air.
6. Engine check light goes on and off. I will attempt
to find my cheap reader and provide the trouble
codes if it helps. Currently has no trouble codes to
read.
I believe that is all. Any help or tips are welcome
and like I said if someone can provide me with the
answer alone I’m willing to compensate you at least
100$ via zelle or Venmo. I know hardly anything
about cars but I’m a quick learner. Thanks for your
time