A grocery shop could be opened with minimal capital, it depends on the scale you are willing to take it to. Start out litte and start to grow the business
This is another business that could yield a lot of money. You only have to purchase laundry and dry cleaning equipments. You should start out small and then grow bigger.
This also require little capital to start. You do not neccessarily have to attend a course to develop your skills on event planning, if you are organised and you pay attention to details then you can easily start planning events. It could range from planning a big business meeting to parties.