No home inspectors can determine if moisture or water penetration will cause problems in the future. It cannot be defined on the basis of a one-time inspection. If you plan to buy a home you should get a sworn statement.
It is beneficial to get details regarding the severity and frequency of water infiltration from the seller. You should also get details regarding water infiltration that has occurred in the past. You can also navigate to this website to get more information on water infiltration.
Insufficient control of stormwater is usually the main reason for basement leakage at the surface. You should have ground around the house which is sloped and should encourage water flow and keep it away from the foundation of the house.
Gutters and downspouts should collect roof water and drain it for at least 5 feet. basement leakage is usually caused due to clogged Downspouts. It can also happen if Downspouts is broken below grade level. Sometimes Downspouts that discharge too close to the foundation can also be a source of basement leakage.
If you experience basement leakage problems then roof drainage should be undertaken and improvements as a first step. Please be away from contractors that offer you expensive solutions. There is no need for the installation of drainage tiles.