Check what are the existing problems? These may include the structure of the house, central heating, plumbing and electrics. You may discover various problems while renovating your house. For any work you do think on a long-term basis.
The best way of locating a good agent is word of mouth. If someone you can trust recommends an agent it is a good way to start your search. When this is not the case with you, you need to look for agents yourself. Talk to many agents and then shortlist the ones you like.
There are many ways you can invest in real estate. You can buy a home and live in it. Another way of investing in property is to buy a home that needs some renovation. You can renovate it and re-sell it for a higher price.