There is no simple answer, it depends on the level of risk involved.
Depends if the terms of the contract allows the interest rate to be changed.
Every car loan contract is required to specify if the original interest rate can be raised. If the interest rate can be race the contract should specify the amount of time they have to notify the contract participants.
Read the contract. If the contract says they can...
Do you invest in your 401 k? The interest rate is typically much better there especially if you are saving for retirement. Also another option is to purchase a CD which the interest rate is always high on. Good luck.
Bonds have a predetermined rate of interest called the stated or contract rate, which is established by the board of directors.
An adjustable rate mortgage calculator would be of interest - and use - to you if you were the owner of an adjustable rate mortgage (a mortgage with a potentially fluxuating rate) or if you were considering the purchase of a home under the contract of an adjustable rate mortgage.
Contract rate is known as a coupon rate (because older securities actually had coupons that were clipped and sent to paying banks for periodic interest). It is the fixed rate of interest for which a particular bond was issued. Market rate is actually known as yield (prevailing interest rate for new bonds) and yields change with prevailing interest rates. Yields are closely aligned with prevailing interest rates.
Purchase of items one cannot really afford and may not really need. Payment of interest, which can become excessive due to length of contract, interest rate, size of payments, etc.
It is a rate of interest that is deemed abusive or criminal in that it is wholly unreasonable / excessive. The court can nullify a contract on this basis.
Any interest rate below 5% is a favorable rate currently. This interest rate is a competitive rate.
A lien is merely a kind of security for a debt. If the contract provides for interest, then the lien, if properly drafted, will cover that. In most states there is a statutory interest rate. If the contract doesn't provide for interest, then interest will accrue at the statutory rate and the lien, if properly drafted, will cover that as well.
Having a low interest credit card is preferable because it costs you less to use it. For example, if you have a 9% interest rate and you charged $100 on your card, than you would also have to pay $9 interest on that $100 dollar purchase. If you have a 29% interest rate on a $100 purchase than you will have to pay $29 dollars on that $100 purchase.