Canon harry had blood protection that burned Quirell until book 4 and a secure house until book 7.
Dudley didn't get healed. So we're going to need to make the most of our gnosis. And while saving is useful for high expense picks, the other side of the coin is that power begets power. It is leverage to face stronger foes, reap greater rewards, to provide greater space for optimization, more resources with which to accelerate our training.
The Promised Wand has high affinity for us(whatever that precisely means), and gives us Priori incantatem in contests with
His wand. In every other respect it's an all-rounder type wand. The question is how much does that affinity translate into power?
The Wand of the Maestro as I called it(Affanc Hair, Very Short, Supple, Holly) would explosively accelerate our ability to learn new spells and make us godlike at fine detail work/subtle type spells. It would also be good for shield spells. With our capacity for basic spell modification, we could get very versatile, very fast. And I haven't gone into Trismegistus possibilities.
Ambition has whatever considerable hax the Ancient Roman wand wood is.
Tangentially, I found the Affanc on wikipedia if people are curious.
Afanc - Wikipedia