Start with simple jobs like paper route, or grass cutting. If the child has skills like fixing computers, you can start him/her out fixing friends/neighbours computers for a small fee. Hope this helps.
You can either sell them for a relatively small amount of money or you can scrap them. Or, if you really like your rusty car, you can spend a bit of money on 'doing it up'. By this I mean giving it a paint job and taking real good care of it and fixing everything that needs fixing. It also depends on what car it is. If it is vinatge, 'do it up'. If it isn't, sell or scrap.
Price fixing is what happens with supply and demand. An advantage is a business makes money. If someone employed by that business has a family, that can be good. A disadvantage is prices are usually very high just because people want the product.
Only if he's very good at finding bikes with very simple faults to them.
A good rule of thumb is to use 5W-30 for newer engines and 10W-30 for older engines or engines that are driven in hot climates or for primarily highway driving. If the manual to your car is available, use the oil that is suggested.
no there are multiply differences
The United States Department of Interior has a lot of good information on fixing concrete walls. Home Adviser is also a very good place to get information from consultants on fixing concrete walls.
If I were you I would start out small and get someone good with money!!!!!!:)
No, and it may be a good idea to donate, too. The money will go towards fixing the bridge.
Yes , there are many , as nitrogen fixing bacteria .
No, non detergent oils have not been used in any small engines for years. Use a good name brand SAE 30 or SAE 10w30 detergent synthetic oil in any air cooled engine depending on what the manufacture recommends.
If you decide that it is a good idea to have one and have the money spare to pay for it then yes.