Like in real life, your wallet must be secured. ERC20 makes it possible to transfer value anywhere in a very easy way and it allows you to be in control of your money.

At the same time, ERC20 can provide very high levels of security if used correctly. Always remember that it is your responsibility to adopt good practices in order to protect your money. 

Read more about securing your wallet.

The price of a ERC20, as any coins, can unpredictably increase or decrease over a short period of time due to its young economy, novel nature, and sometimes illiquid markets. 

ERC20 should be seen like a high risk asset, and you should never store money that you cannot afford to lose with any crypto. 

If you receive payments with ERC20, there is service providers can convert them to your local currency.

As BTC, ETH ant ect. ERC20 transaction cannot be reversed, it can only be refunded by the person receiving the funds. This means you should take care to do business with people and organizations you know and trust, or who have an established reputation. 

ERC20 can detect typos and usually won't let you send money to an invalid address by mistake, so don'r worry. But it's best to have controls in place for additional safety and redundancy. 

Additional services might exist in the future to provide more choice and protection for both businesses and consumers.

ERC20 is an experimental new currency that is in active development. Each improvement makes ERC20 more appealing but also reveals new challenges as ERC20 adoption grows.

 ERC20 doesn't have fees, the transaction are the faster ones, multiply wallets to store and more. 

Keep in mind that nobody can predict ERC20's future, as same as Bitcoin's.

ERC20 is not an official currency. That said, most jurisdictions still require you to pay income, sales, payroll, and capital gains taxes on anything that has value, including cryptocurrency. 

It is your responsibility to ensure that you adhere to tax and other legal or regulatory mandates issued by your government (if there is for crypto) and/or local municipalities.