I have been reading for HOURS trying to catch up - got close but have to go to bed...
On July 16, Casey told the 911 operator it had been 31 days since she had seen Caylee - that puts us at the red letter June 15 again.
I think they (C & C) got in a fight on June 15. Casey took Caylee and moved out because she knew it was the only way to hurt Mom. She still wanted to party and couldn't humble herself enough to go crying back to mom to ask her to babysit so she could go play with her friends - so she left Caylee in the car. I think the heat got her, I am guessing around the 17th. I think Casey freaked and put her in the trunk.
I think the body started to decay. I really think Casey was hoping the situation would somehow right itself... and then it dawned on her that nothing was getting any better...
Someone posted a pic a while back - I think they asked if it was Tony in the pic - well - the pic was taken at Fusion on June 21. It was in the last thread. Check out her expression. I think she was in limbo in that picture - I think the baby was already gone.
On or around June 22, I belieive C and G were out of town. I think Casey borrowed a shovel from a neighbor and then attempted to bury her baby in her parents back yard. I believe she dug the area under the play house.
I think after she returned to her friends home she got scared that someone would find the body so within 24 hours, she returned to her parents house, got the body, put it in the trunk (dirty) broke in to the shed to get the gas and then drove away. She drove somewhere far way and is now certain there will not be evidence.
On the 24th, she talked to Jesse and pretended Caylee was still around. It had become apparent that people would be wondering.
I believe that initially she thought she would still be able to use the car but found the odor would not go away, so she parked it and returned to partying as quickly as possible.
These are all my opinions/idea's. Obviously.