The first thing to really consider when taking out a loan is whether or not a loan is really needed. Those who are able to pay for something in cash and avoid interest and do so. If paying in cash is not possible or the outlay of cash drains available capital, then seeking a loan might be the best move to make.
Interest rates do need to be looked at carefully before accepting a loan offer. Low, fixed-rate loans might be a good choice. Personal loans that require no collateral probably would be the easiest to look into. Fast cash loans with extremely high rates of interest might be the worst.
Interest rates are not the only components of a loan that might be costly. A loan could come with a fee for the issuance of a loan. Such a cost could be eliminated by simply taking business to a different lender.
Also, look at the costs and fees associated with missed payments or failure to pay. No one knows what the future may have in store. A financial situation could take a turn for the worst bringing with it problems. Why be latched to a loan that will compound costs and problems?