One of the most important pieces of equipment you can purchase early on in your sailing career is a PFD. It can go with you regardless of what you're on and you can upgrade and add things as they go. Here are some options for how to setup your first PFD or some ideas for improving your current one.

Product Links:
Glofast Tether: None :(
West Marine Tether: https://www.westmarine.com/buy/westm...
Spinlock Deckvest 5D: https://www.spinlockusa.com/commercia...
Spinlock Deckvest 6D: https://spinlockusa.com/enus/categor...
West Marine PFD: https://www.westmarine.com/buy/westm...
ACR PLB: https://www.acrartex.com/products/res...
Rigging tool: https://www.westmarine.com/buy/westm...
ACR PFD Strobe: https://www.westmarine.com/buy/acrel...