Buying a home can be a daunting task − whether it is your first or fifth time heading to the closing table.

For most of us, it will be the largest investment of our lives. However, there are factors predicted for the upcoming year that will make purchasing a home even more stressful.

»RELATED: House hunters, here are 5 secrets to getting the best home loan

According to Redfin's 2018 projections, inventory will remain low, especially for smaller starter-homes. Additionally, thirty-year mortgage rates are expected to rise between 4.3 and 4.5 percent. Changes to the capital gains tax may also persuade many current homeowners not to sell, putting even more strain on the inventory list. However, there are still deals to be found and your dream home may very well still be out there waiting on you.

When you find it, be sure to avoid these 6 common mistakes that first-time homebuyers often make:

Not getting a professional inspection

The idea of paying for a home inspection for a property that you might not even buy seems like a silly concept to some, but it can save you tens of thousands of dollars in the long run. The median cost of a home inspection is $350-$600 for an average or larger sized house, according to HomeInspector.org. Compared to potential issues with the foundation, electrical system or plumbing, however, it's a small price to pay.

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Not putting a pause button on purchases

Buying your first house can be an exciting process and many new buyers get the urge to buy furniture and other home essentials before their closing date. While it's understandable to want to get a head start, it is very important that you not do this. According to Kayla Sweeny, a mortgage loan originator with Southeast Mortgage, a very common mistake is "buying things on credit during the mortgage process. The credit report has to be updated to add the new debt. Debt-to-Income ratios have to be recalculated and the file has to be reviewed again. This could potentially kill a deal."

Not keeping up with correspondence

Sweeny also noted that many first time buyers fail to check their mail, e-mail or messages regularly. "There could be critical loan documentation that a mortgage loan originator or processor has sent the borrower. The entire process is time sensitive. A sense of urgency is a must." This also applies to correspondence from your real estate agent, appraiser and inspector.

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Not understanding the hidden costs of buying a home

Everyone knows that you'll likely require a mortgage to purchase a home. Unfortunately, many people fail to factor in the other costs associated with purchase - appraisals, earnest money, inspection costs, taxes, HOA dues, utilities and so on. Rafael Castellanos, president of Expert Title Insurance, told Bankrate.com, "They have an idea of what their mortgage payment is going to be, but they don't realize there's much more to it."

Not working with a buyer's agent

Some first-time buyers believe that they don't need or can't afford a buyer's agent. Nothing could be further from the truth. Home purchasing contracts can be long and confusing, filled with legalese that often baffle the layman. Eddie Hudson, owner of The Smyrna Team at Keller Williams, explains that "this means you have no representation, and working with a buyer's agent is free of charge as the seller is paying the commission."

Not looking into loan assistance programs

There are lots of loan programs out there for first-time buyers, from federal down to local levels. Many people don't know to look for them, though. Veterans should absolutely look at the VA program, while everyone else should look at the HUD website to see if any loan or grant programs apply to them. Some municipalities have programs to develop certain areas. The assistance offered can range from help with down payments and closing costs to discounted properties in certain areas.