General Troubleshooting Issues and an error, every time the truck sits for too long it needs a jump and the battery was replaced last year.

So, I have the vehicle listed above XLT 5.4L Triton 16V 8 cylinder.

The Troubleshooting Issues:

1 Every time the truck sits for too long it needs a jump, and the battery was replaced last year brand new

2 Will a tune up and oil change make the car run a little bit unusual then on top of it already needing the tune up and oil change

The Big Error:
I accidentally put 1 quart of transmission fluid in the oil full synthetic transmission fluid in the oil I looked it up on Google it said that's not a bad thing just put a quart on oil in with the transmission fluid and it will act as a cleaner to the engine this was about 3 weeks ago now

Ending:

So, what is my solutions to these Issues and Error?