Back after Gap - Need advise for new purchases; Ranked, Market, Gold Event

I installed the game last month after a long time and I am look for help and advice -

1. Which Gold ship or equipment to buy in the upcoming Gold Event?
2. Which ship or equipment to prioritize in the Ranked shop?
3. Which ship or equipment to prioritize in the Market?

I have around 45k Gold, 900 Ranked Coins and 2500 Art Coins.

I currently have the following ships along with the best dollar Equipment and Brahmos NG -

• SPS SMART 4000 
• RF Admiral Ushakov
• CN Type 055 Nachang
• USS Zumwalt (DDG-1000)
• RF Project 2145
• CN Type 956E Hangzhou
• USS Vella Gulf (CG-72)
• RF TARK Pyotr Velikiy
• USS Massachusetts (BB-1012)
• USS America (LHA-6)
• JS Hyuga
• USS Ohio (SSBN-726)
• CN Type 039C
• JS Izanami
• ROKS Jang Yeong-sil
• RF Burevestnik (Project 905)
• USS Enterprise (CVN-80)
• HMS Fearless (L170)
• HTMS Chang (LPD-792)