Hunting requires large acreage and high quality habitat for wildlife. Fishing requires access to ponds or streams. A well developed trail system is essential for dispersed recreation, such as hiking, cross-country skiing, trail biking, or horseback riding. An option for landowners with small acreage could be to work cooperatively in order to create larger acreage with more extensive trail system. The issue of liability makes landowners reluctant to grant access to their property for any type of recreation.
Liability insurance is a necessity for any commercial enterprise.
This may be available as a rider on your homeowners policy. A lease or another small form of written agreement is advisable to spell out the terms of using the property.