Finding a good tenant would not have been easy back then, because you have to do all the checking by yourself. Nowadays, this is easily done with Tenantify. It's a website that helps landlords, find out more about their would be tenants. Their main job is to verify the tenant's employment and income status. All you have to do is wait for them to email you the results, then decide whether he or she is the right tenant for you. You can consider it a free service because it's the tenant who pays for the bill when verification is completed. Easy peasy, right?
Don't just deal with someone you think can pay the rent. Make sure that the person you are giving your keys can be trusted and will take care of your property.