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everything I need --> "omnia mihi necessaria"
or a bit longer "omnia quae mihi necessaria sunt"

Do you remember "Omnia mea mecum porto", Alex?
Your "fero" isn't bad but I believe that "porto" would fit the meaning of the sentence better. "Fero" could be a bit ambiguous because it can be interpreted as "suffer" as well.

Hi Aneta,

I have shortened "omnia quae mihi necessaria sunt" to "omnia necessaria" because I can see that Latin avoids very often the verb "to be" when it acts as a copula. I know we have to translate in the most literal way, but I thought (I dared think ) that my version would have sounded more Latin. Correct me if I am wrong, please.

I am sorry, but I still can't quote Cicero by heart, even if in this case it would have been helpful.
Definitely, "porto" is much more clear than "fero", so I agree with you.

Dear Alex, you can shorten it, as I did above, to "omnia mihi necessaria", but you shouldn't omit "mihi" if you want to convey properly the meaning of "everything I need".

I changed a word order a bit too. Hopefully you don't mind, dear Alex!

Semper mecum omnia mihi necessaria porto.
-->Semper omnia mihi necessaria mecum porto.

Vivat Cicero!

No problem, thank you!

Vivat Aneta!

Sei il benvenuto!

Vivat Alex!