Second hand goods are generally beneficial the buyer. You would probably has lower prices than the same new item. But surely there are some disadvantages, as generally you don’t have a warranty and you have a shorter lifetime of the product.
For furniture it is the case too. You should be very careful while choosing a second hand furniture set. You don’t have a warranty, there is big possibility that you will have flaw. But at the same time, if you will make sure that the furniture is in a good situation, it is optimal to buy a second hand furniture. Don’t forget that it would not be enough to examine the faults at first glance. Try to spend some time with examining.
There is another disadvantage of buying second hand. You could rarely not find your own taste. The design will be chosen according to the first owners’ taste.
Anyway, it is a good option and there many buyers who just buy and don’t use the furniture. The furniture may be even in a better situation than new one. You can make use of it, if you will be careful.