Options:

• Satellite
  • + Available in rural areas
  • - High latency
  • - High Cost
• Wireless tower leasing
  • WISP and possibly other companies have an interesting arrangement where you can lease part of your land to let them build a tower on and get the internet usage for free + some income
• Internet stick / tether to cell network
  • Depends on signal strength in the area

Conclusion:

Cost:

References:

• WISP
• Xplornet