Spindles are around $360 including labor
Hydros are around $1200 including labor
Look for the deck to start cracking and other major deck parts wearing out, like the rear supports.
The engine was replace at 200 or 2000 hours? 200 would mean it is close to rebuild time.
If I were a mechanic, I would probably offer $500 to a $1000. I am not a mechanic, so I wouldn't buy it