What do you suggest I do? Should I continue reading a chapter a day of the Old Testament, and also start from the beginning of the New Testament, and read a chapter of it a day too?
Why not start with reading the Liturgy of the Hours daily? In a year or two, you will have covered a large portion of the Bible - both New and Old Testament, as well as a whole host of excellent writings from the doctors of the Church. You will also become more familiar with the Psalter and the liturgical cycle. It’s great for your prayer life, and the readings are diverse enough to keep your attention. Once you learn the pattern of readings, you can usually read the entire Liturgy of the Hours readings in an hour or so per day, even less if you skip the Psalter and read only the biblical and patristic writings.
Once I started to read the Liturgy of the Hours, I wanted to dive deep into the Old Testament. I started with Genesis, Exodus, but Leviticus was challenging. I picked up the Stone Edition of the Chumash, which is a plain English-Hebrew version of the first five books of the Bible, with commentary from a Jewish perspective. Art Scroll is the publisher, and they cater to English-speaking Jews that are returning to their Jewish faith, so everything is written in plain, easy to understand English. It was just what I needed.
Once I felt like I had a generally good handle on the first five books of the Bible, I then started to read the rest of the Old Testament from a combination of the Tanach (Hebrew Bible) and the Douay-Rheims Haydock commentary, reading in pretty much chronological order. When they talked about sacrifices, or altars, or incense, I was familiar as I had done a deep dive into the first five books of the Bible.
Reading the New Testament was almost a breeze by comparison, as I was familiar with the Gospels from being a lifelong Catholic. St. Paul’s writings were somewhat challenging, but if read slowly, they are easier to understand. The Book of Revelation is challenging because of all of the symbolism.
From there, I started to collect an even larger assortment of commentaries, ranging from the Mishnah (the Oral Law) - about 40 volumes total, Talmudic commentaries (72 volumes in English alone), and a whole set of the early Church fathers in about 24 volumes. Then you can get into apocalyptic literature, and more. The reading is truly endless.
My best advice is to read more, read often, and make it a daily habit. You can cover a lot of ground if you put your mind to it.