another congratz!
the 282 is a great boat!
there are multiple systems and amenities that as you guessed require maintenance and do wear out.
Here's a list of thing to go over and fully check out so that you can maximize your enjoyment on the water by doing some maint. and upgrades on the hard.
- batteries (check fluid level if lead acid type, specific gravity, voltage and overall appearance (clean off corrosion, clean connections))
- battery charger, shore power, house inverter
- raw water and bait well wash down pumps and hoses
- fresh water (clean aerators, check connections, lube cartridges and repack faucets)
- hot water system (usually tied to the fresh water system)
- likely need to buy a head kit (replace seals, etc about $70)
- check waste/head discharge system that it's working well
- all electrical connections for lights, pumps, electronics, etc.
- anchor windlass, rode, chain, swivels, etc.
- hydraulic steering has good response? check fluid level at helm
- address and investigate any indications of a leak, especially around windows
- since 2s engines, check condition and level of 2s oil tanks (use the good stuff!)
- check trim tabs, if hydraulic (likely bennett) check the fluid level in reservoir and that tabs work and not too sluggish
there's probably a bunch more but that's what come to my mind.
enjoy doing the maintenance and fixes as it's a time you'll have to better get acquainted with the new boat and familarize yourself with the systems.
Lastly, put a lot more hours on the boat than the previous owner. less than 300 hours over 8 years is a real shame.