Could You give me your honest opinion on a probation violation case

I do not see in your post what he did to violate probation.

Im facing a Feony theft charge under $5000 and in my stupidity I caught a Possesion of Marijuana less than 1 oz 4 weeks later.

The marijuana case will not be used against you to prove your guilt on the theft case, because there is no relationship between them. However, the...

My boyfriend is currently in jail for 1st degree home invasion, he has never been in trouble before how long is he facing ?

He is not facing anything if charges are not pressed.

If a witness doesnt want to press charges ,would the judge dismss the case at the prelminary

The judge will only dismiss if there is not enough evidence against you to indicate that you are probably culpable. That evidence can be presented...

I was arrested in florida and in custody do my miranda rights have to be read to me when in custody in the state of florida.

Miranda rights must only be read before information obtained in a custodial interogation can be used against you.

Request a lawyer when you go to court if you cannot afford one beforehand. Discuss the matter with them.

If a judge remands a case, where is this case sent?

A remand means the case is sent back to the last court it came from.

They should meet with you, at least prior to going to court.

You can be charged, and your friend can be charged for aiding you. The matter is likely too insignificant for the police to pursue it.

If the case is proven to be self defense does that cover all charges?

Other charges that are not relevant to your defense of self-defense will still exist.