Why would someone put up a duplex for sale if it is cash flow positive?

Quick question if a property purchase at a tax sale and I did preservation improvement on it paid taxes 2 yrs and had possession can I get certificate transfer over from family member name too mines without redemption period starting all over or do it remain same after transfer?

@Scott Royer, If you want to do a 1031 then you have to initiate it at the time of sale. 

Campus Property for assignment E 14th Ave is located in Indianola Terrace neighborhood in the city of Columbus, OHBeds: 4 Baths: 2 House size: 2,254 sq ft Stories: 2 Lot size: 6600 Garage: Detached Garage Year built: ...

If he shops at Home Depot or Lowes alot likely the people at the Pro sales counter will have things to say about him one way or the other.  2.

However....the Goodwills and yard sales abound!

The wife has an income of 36k and the husband has a used car sales business.

They think that in order to list their house for sale, it has to be in updated condition with all the needed repairs completed because that's what their friend/dad/neighbor told them.

I recently purchased a multi-unit where part of the sale was to upgrade the electrical to meet code.

They use a financial advisor to over see the sale of a triplexes in Brooklyn and a multi in Honduras.