Invest in some small retail businesses, find the right direction and work for a few years. Suppose they start to make profits after half a year (adjustment and publicity for half a year), with a daily turnover of 3,000 yuan, of which the profit accounts for 30%, about 1 0,000, and then about 30,000 yuan a month, excluding labor (about 2,000 yuan for two people, 1 0,000 for themselves, and other consumables. Items are not recommended here, beware of advertisements!