To estimate the cost of lodging and meals for walking around the European Union border, there are several factors you should consider. These include:

- The average daily cost of accommodation and food in each country along the border
- The distance and time required to walk between different points of the border
- The availability and accessibility of lodging and meals along the border
- The visa requirements and currency exchange rates for each country
- The weather conditions and safety risks along the border

These factors may vary significantly depending on your chosen route, preferences, budget, and travel dates. Therefore, while I can provide you with a rough estimate, it won't be a precise answer.

Based on a budget of 20 Euros per night for accommodation and 30 Euros per day for food, I estimate your lodging and meal expenses to be around 111,000 Euros for the 2,220 days it would take to complete your trip. However, please keep in mind that this estimate does not include transportation costs, attraction fees, or the cost of walking shoes you may need.

Overall, it's essential to carefully plan and budget for all expenses when considering a trip like this, taking into account all potential factors and variables that may affect the cost.
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