There are different Investment with different risk ,Not taking risk is not good but taking risk blindly can even be more risky .Some risk are not worth taking .
Buying a Genuine land now to be re-sold in the future is a viable Business .All you need to do is to get a Lawyer to Investigate the said land or you have a Trust worthy person ,then you verify its not under Government Acquisition ,It has not been sold to someone else.In the Process if buying check the Title on it like family Receipt.Survey plan.After buy ,Try get a survey plan On it ,Deed of Agreement from your lawyer for land owner to sign ,then erect a Fence at lease 5 to 6 couches round it