However, we realize some folks have more money available than time. So here's some information to help you make an informed choice. The most common choice,but not necessarily the best in all climates. No cold weather starting or condensation problems, maintenance infrequent because of little carbon buildup on cylinder heads, gasoline generators can usually be converted to propane easily at home. Another good choice for remote power.
All generators give less performance at higher altitudes.
Coleman, McCullough, Homelite. These are available almost everywhere. Since the Y2K scare, they often can be found at very low cost in the classifieds. These generators run at 3600 rpm, resulting in very high maintenance costs. Maintenance must be performed every 20 hours of run time or so, or the generator will die quickly and prematurely.