I wouldn't recommend going without a backup PV, even with a Provari.Regular size Provari with 18650 extension cap- $185.
AGA T2 rba - $30.
IBTanked pyrex cartotank - $30.
Ikenvape 510 Fusion cartomizers, punched - $20.
Slap Yo Moma tank accessory tool - $8.
Pre-rolled SS mesh wicks and SS wire - $10.
Pila battery charger and 2 AW 18650 imr batteries - $80.
Dripeez Golden Apple e-liquid 30 ml bottle - $20.
* sorry, I went over the $300 limit, but the above is my bare minimum.