The very first issue that may arise is the on-time delivery. Most of the international courier companies guarantee on-time delivery of the package, but to ensure this you need check their services quality by asking them for some referrals. You may ask their previous customers about their service quality and whether they really deliver the shipments on time or not. This will give you a brief idea whether or not to use their services.
Secondly, most of the people experience issues related to shipment cost. International courier companies charge their clients according to the weight and size of the shipments, some may also offer discounts to frequent users. So, to ensure that you get the best deal possible and to avoid issues related to cost, it is essential to compare the costs of different courier companies and choose the best amongst them.
The third issue that may arise while sending packages abroad is the insurance. You need to make it clear with the courier company beforehand. You should ask them if the insurance covers the full value of the package or if it only covers the damaged, lost or stolen part of the shipment. You must ask them to provide insurance details in writing to avoid issues later.