proofreading

(1)
Travelling is considered one of the better ways to meet people of different backgrounds, from around the world. Simply put, it provides us the opportunity to experience various cultures firsthand.

(2)
While one might encounter problems like cultural shock, homesickness or diseases, taking such risks is an inevitable part of travelling. In fact, many would consider the benefits of travelling outweigh the risks.

(3)
A year of travel allows one to be acquainted with foreign places. Although the experience itself is priceless, travel expenses can be rather costly. For many, having limited funds often prohibit them from taking a longer journey.

(4)
The hurdle could nevertheless be overcome by planning in advance. Apart from saving money, one could apply for temporary jobs as well as working permits in travel destinations. Travellers often find themselves earning a living in foreign countries by giving language lessons or working in the hospitality industry.

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I don't really have enough time to comment on your sentences one by one. Some of the sentences were quite cluttered and had to be reworded. Now, we have a cleaner composition; ideas are presented in a more structured, logical manner. Also added some facts in #4 -- most countries don't allow foreigners to work unless they have already obtained a working permit/visa.

Read your version & mine aloud, and compare the differences.
Always, always read what you've written aloud -- you'll get a much better idea of how well your wording/compositions flow.

Cheers,
EC