Saves you money
Replacing old furniture with new can be very expensive. The cost of a new dining table and set of dining chairs will almost certainly run to four figures, even in the cheapest furniture store.
And trying to replace, for example, a mid-century modern dining set with something approaching the same build and material quality will be significantly more expensive.
Restoring your existing furniture will give you the same results, if not better, as buying new – and at a fraction of the cost.