After oil and gas business in Nigeria I think another business that can give you more money is sand dredging,with Toyo-pump dredger from Belgium,at an affordable rate you are sure of getting return on your investment in less than six month,I gave it a try and am not regretting ever investing in this sand business,after dredging the sand you don't need to scout for buyer,there's ready buyer for the sand which you can't even meet their demand no matter the location of your site,but before you can go into this business you must have a little below 50million naira,which you will make back in less than six month,and after you start enjoying for the rest of your life as a millionaire,you can come to see my site @ isheri very close to the toll-gate where I dredge from to see how it work even before you go into it,I am ready to take you through the a-z of the business at no fee at all.for more details you can reach me on 08060639740,