It depends how much you are trying to make and what are the goals. How big is your family and a lot more to consider. its very very subjective. I have been an entrepreneur since last 10 years. Online businesses, Warehouse management, Shipping services. These business will not require much investments if you know what you are doing. For an example; A multi 3rd party shipping store (where you see DHL, USPS, UPS all together) can be set up within under 40k. and can make decent money.
If you have family to help in the store. Kids who can work with you. its a family business and all can make decent money. and then move to next location once you have enough experience.

On the other hand E-commerce business. Selling online, Ebay, Amazon or shopify requires learning. Once you have enough knowledge you can hire people sitting in Philippines and invest as low as 5k and work your way up to 50k making at least 10k a month (Doing nothing) Just managing employees. (all from home)