Crown kabhi kaam nahe nikalti sirf general maintanance karein engine oil filter etc.
Suspension work is required once in 2 to 3 years for jzs 171 or 2000 or 2003 model general greesing is required every after 6 months.
So keeping a crown is not a big deal but finding a good one is a question mark.
But if you find a vehicle with good deal and has a good body you should be prepared to spend amount on priority basis on suspension and if needed on engine too.
Dont worry its not a bog deal at all